| Artists |
Raquel Welch
as 3 episodes, 2008-2012
Pamela Anderson
as 2 episodes, 2007-2008
Patricia Arquette
as 3 episodes, 2005-2009
Kevin Bacon
as 8 episodes, 2005-2014
Antonio Banderas
as 1 episode, 2010
Kenneth Branagh
as 9 episodes, 2007-2014
Pierce Brosnan
as 4 episodes, 2010-2014
Sandra Bullock
as 3 episodes, 2009-2013
Nicolas Cage
as 1 episode, 2010
Kevin Costner
as 1 episode, 2014
Wes Craven
as 1 episode, 2005
Russell Crowe
as 3 episodes, 2008-2010
Jamie Lee Curtis
as 1 episode, 2010
John Cusack
as 2 episodes, 2008-2010
Claire Danes
as 2 episodes, 2010-2011
Michael Douglas
as 1 episode, 2009
David Duchovny
as Himself / 10 episodes, 2005-2014
Colin Firth
as 2 episodes, 2010-2012
Harrison Ford
as 1 episode, 2013
Jodie Foster
as 1 episode, 2010
Morgan Freeman
as 10 episodes, 2009-2014
Gina Gershon
as 2 episodes, 2005-2007
Whoopi Goldberg
as Herself / 2 episodes, 2011
Jeff Goldblum
as Himself - Guest / 10 episodes, 2007-2015
Tom Hanks
as 2 episodes, 2012
Teri Hatcher
as 1 episode, 2009
Ethan Hawke
as 3 episodes, 2012-2015
Anne Heche
as 5 episodes, 2006-2013
Anthony Hopkins
as 2 episodes, 2007-2013
Helen Hunt
as 2 episodes, 2008-2011
Samuel L. Jackson
as 8 episodes, 2005-2014
Milla Jovovich
as 1 episode, 2006
Ashley Judd
as 2 episodes, 2006-2011
Val Kilmer
as 3 episodes, 2006-2008
Stephen King
as Himself - Guest / 2 episodes, 2006-2012
Kevin Kline
as 2 episodes, 2012-2013
Diane Lane
as 2 episodes, 2008-2011
Heather Locklear
as 1 episode, 2013
David Lynch
as 1 episode, 2008
Jenny McCarthy
as 3 episodes, 2006-2007
Matthew McConaughey
as 5 episodes, 2009-2014
Ewan McGregor
as 4 episodes, 2008-2011
Alyssa Milano
as Herself / 4 episodes, 2008-2015
Gary Oldman
as 1 episode, 2014
Michelle Pfeiffer
as 1 episode, 2007
Parker Posey
as 3 episodes, 2007-2010
Keanu Reeves
as 1 episode, 2012
Christina Ricci
as 3 episodes, 2008-2014
Tim Robbins
as 3 episodes, 2006-2009
Mimi Rogers
as 4 episodes, 2005-2006
Susan Sarandon
as 6 episodes, 2005-2015
Kristin Scott Thomas
as 1 episode, 2009
Charlie Sheen
as 1 episode, 2005
Brooke Shields
as 6 episodes, 2006-2013
Alicia Silverstone
as 1 episode, 2009
Christian Slater
as 3 episodes, 2006-2008
Mira Sorvino
as 1 episode, 2006
Sylvester Stallone
as 2 episodes, 2008-2010
Sharon Stone
as 2 episodes, 2005
Quentin Tarantino
as 6 episodes, 2007-2014
Uma Thurman
as 1 episode, 2014
Jennifer Tilly
as 7 episodes, 2005-2011
Skeet Ulrich
as 2 episodes, 2005-2006
Mark Wahlberg
as 4 episodes, 2010-2014
Sigourney Weaver
as 5 episodes, 2007-2011
Robin Williams
as 5 episodes, 2009-2013
Bruce Willis
as 1 episode, 2010
James Woods
as 6 episodes, 2005-2011
Alan Alda
as 7 episodes, 2005-2015
Kirstie Alley
as 1 episode, 2010
Julie Andrews
as 6 episodes, 2008-2013
Gabrielle Anwar
as 1 episode, 2009
Alan Arkin
as 1 episode, 2006
David Arquette
as Himself / 6 episodes, 2006-2015
Rosanna Arquette
as 1 episode, 2006
Sean Astin
as 1 episode, 2005
Hank Azaria
as 1 episode, 2005
Alec Baldwin
as 2 episodes, 2006-2008
Ellen Barkin
as 1 episode, 2011
Kate Beckinsale
as 3 episodes, 2008-2009
Juliette Binoche
as 1 episode, 2005
Helena Bonham Carter
as 2 episodes, 2010-2011
Ernest Borgnine
as 1 episode, 2010
Amy Brenneman
as 1 episode, 2005
Jeff Bridges
as 3 episodes, 2007-2011
Michael Caine
as 5 episodes, 2005-2010
Jackie Chan
as 1 episode, 2008
Stockard Channing
as 3 episodes, 2005-2008
Chevy Chase
as 1 episode, 2007
Don Cheadle
as 9 episodes, 2007-2014
Glenn Close
as 1 episode, 2007
Rachael Leigh Cook
as 1 episode, 2005
Billy Crystal
as 1 episode, 2012
Tony Curtis
as 1 episode, 2008
Joan Cusack
as 1 episode, 2006
Danny DeVito
as Himself / 4 episodes, 2009-2011
Julie Delpy
as Herself / 5 episodes, 2007-2014
Catherine Deneuve
as 1 episode, 2011
Laura Dern
as 2 episodes, 2006-2008
Matt Dillon
as 1 episode, 2006
Robert Downey Jr.
as 2 episodes, 2008-2010
Fran Drescher
as 2 episodes, 2005
Richard Dreyfuss
as 1 episode, 2010
Minnie Driver
as Herself - Guest / 6 episodes, 2005-2013
Kirsten Dunst
as 1 episode, 2010
Anthony Edwards
as 1 episode, 2013
Danny Elfman
as 1 episode, 2006
Sam Elliott
as 2 episodes, 2005-2006
Emilio Estevez
as 1 episode, 2006
Laurence Fishburne
as 3 episodes, 2006-2009
Carrie Fisher
as 14 episodes, 2005-2014
Jane Fonda
as 1 episode, 2010
Vivica A. Fox
as 1 episode, 2005
Brendan Fraser
as 1 episode, 2010
Stephen Fry
as 4 episodes, 2006-2013
Andy Garcia
as 6 episodes, 2006-2012
Janeane Garofalo
as 1 episode, 2007
Teri Garr
as 1 episode, 2005
Jami Gertz
as 2 episodes, 2005
Crispin Glover
as 1 episode, 2005
Cuba Gooding Jr.
as Himself / 5 episodes, 2006-2013
John Goodman
as 6 episodes, 2005-2014
Steve Guttenberg
as 1 episode, 2012
Taylor Hackford
as 1 episode, 2010
Daryl Hannah
as 2 episodes, 2006
Woody Harrelson
as 1 episode, 2009
Neil Patrick Harris
as 19 episodes, 2005-2013
Marilu Henner
as 1 episode, 2005
Natasha Henstridge
as 1 episode, 2008
Philip Seymour Hoffman
as 1 episode, 2010
Lauren Holly
as 1 episode, 2006
Dennis Hopper
as 4 episodes, 2005-2008
Holly Hunter
as Herself - Guest / 6 episodes, 2007-2010
Jeremy Irons
as 1 episode, 2012
Famke Janssen
as 1 episode, 2005
Don Johnson
as Himself / 2 episodes, 2010-2012
James Earl Jones
as 1 episode, 2009
Mia Kirshner
as 1 episode, 2006
John Landis
as 1 episode, 2006
John Leguizamo
as 2 episodes, 2005-2015
Téa Leoni
as 1 episode, 2005
Juliette Lewis
as 6 episodes, 2005-2011
Bai Ling
as 1 episode, 2005
Ray Liotta
as 2 episodes, 2013-2014
Nia Long
as 3 episodes, 2007
Julia Louis-Dreyfus
as 9 episodes, 2006-2014
Rob Lowe
as 1 episode, 2013
Andie MacDowell
as 3 episodes, 2005-2010
Shirley MacLaine
as 1 episode, 2007
William H. Macy
as 5 episodes, 2005-2011
Virginia Madsen
as 5 episodes, 2006-2010
John Malkovich
as 4 episodes, 2005-2010
Samantha Mathis
as 1 episode, 2007
Rose McGowan
as 2 episodes, 2005-2007
Penelope Ann Miller
as 1 episode, 2006
Helen Mirren
as 1 episode, 2007
Alfred Molina
as Himself - Guest / 15 episodes, 2007-2014
Dermot Mulroney
as 1 episode, 2005
Leonard Nimoy
as 1 episode, 2007
Chris O'Donnell
as 2 episodes, 2008-2009
Peter O'Toole
as 1 episode, 2007
Julia Ormond
as 4 episodes, 2008-2014
Mary-Louise Parker
as 3 episodes, 2009-2011
Dolly Parton
as 1 episode, 2006
Ron Perlman
as 2 episodes, 2008-2013
Martha Plimpton
as 3 episodes, 2012-2014
Kelly Preston
as 1 episode, 2012
Jason Priestley
as 1 episode, 2007
Bill Pullman
as 2 episodes, 2005-2013
Dennis Quaid
as Himself - Guest / 5 episodes, 2005-2012
Jean Reno
as 8 episodes, 2006-2011
Joely Richardson
as 2 episodes, 2005-2007
Isabella Rossellini
as 2 episodes, 2009-2011
Kurt Russell
as 2 episodes, 2007-2014
Tom Selleck
as Himself / 8 episodes, 2006-2012
William Shatner
as Himself / 25 episodes, 2006-2015
Gary Sinise
as 4 episodes, 2005-2011
James Spader
as 4 episodes, 2009-2012
Donald Sutherland
as 1 episode, 2013
Kiefer Sutherland
as 4 episodes, 2006-2015
Lili Taylor
as 1 episode, 2006
Emma Thompson
as 3 episodes, 2006-2010
Lea Thompson
as 1 episode, 2005
Billy Bob Thornton
as 6 episodes, 2006-2015
Marisa Tomei
as 1 episode, 2009
Casper Van Dien
as 1 episode, 2006
Vince Vaughn
as 1 episode, 2012
Jon Voight
as 1 episode, 2007
Sela Ward
as 3 episodes, 2005-2010
Julie Warner
as 1 episode, 2005
John Waters
as 13 episodes, 2005-2014
Debra Winger
as 1 episode, 2010
Elijah Wood
as 5 episodes, 2011-2014
Robin Wright
as 4 episodes, 2009-2013
Michelle Yeoh
as 2 episodes, 2005-2008
Paula Abdul
as 3 episodes, 2007-2011
Joey Lauren Adams
as 1 episode, 2006
Tim Allen
as 2 episodes, 2010-2013
Mädchen Amick
as 1 episode, 2005
Christina Applegate
as 2 episodes, 2008-2012
Tom Arnold
as 8 episodes, 2005-2010
Scott Bakula
as 1 episode, 2014
Clive Barker
as 1 episode, 2007
Kathy Bates
as 4 episodes, 2006-2014
Jennifer Beals
as 4 episodes, 2005-2011
Ed Begley Jr.
as 1 episode, 2007
Jim Belushi
as 2 episodes, 2005
Corbin Bernsen
as 1 episode, 2005
Valerie Bertinelli
as 8 episodes, 2009-2014
Brenda Blethyn
as 2 episodes, 2005-2007
Lorraine Bracco
as 1 episode, 2006
Beau Bridges
as 1 episode, 2005
Wilford Brimley
as 2 episodes, 2011-2013
Josh Brolin
as 2 episodes, 2007
Carol Burnett
as 2 episodes, 2012
Robert Carlyle
as 1 episode, 2009
Dana Carvey
as 1 episode, 2014
Jim Caviezel
as 1 episode, 2005
Anna Chlumsky
as 2 episodes, 2012-2013
Toni Collette
as 5 episodes, 2005-2013
Joan Collins
as 1 episode, 2005
Robbie Coltrane
as 1 episode, 2006
Harry Connick Jr.
as Himself / 3 episodes, 2009-2011
Courteney Cox
as 2 episodes, 2011-2012
Jon Cryer
as 10 episodes, 2005-2013
Ice Cube
as 3 episodes, 2005-2010
Alan Cumming
as 1 episode, 2015
Jeff Daniels
as 4 episodes, 2012-2014
Blythe Danner
as 1 episode, 2005
Ted Danson
as 13 episodes, 2005-2014
Tony Danza
as 2 episodes, 2007-2008
Pam Dawber
as 1 episode, 2014
Judi Dench
as 1 episode, 2009
Shannen Doherty
as 1 episode, 2006
Illeana Douglas
as 3 episodes, 2005-2008
Faye Dunaway
as 1 episode, 2005
Aaron Eckhart
as 5 episodes, 2006-2014
Carmen Electra
as 3 episodes, 2005-2008
Jenna Elfman
as 6 episodes, 2009-2014
Noah Emmerich
as 1 episode, 2008
Nora Ephron
as 1 episode, 2006
Adam Sandler
as 1 episode, 2015
Joseph Fiennes
as 1 episode, 2005
Peter Gallagher
as 1 episode, 2005
Victor Garber
as 1 episode, 2010
Rebecca Gayheart
as 1 episode, 2006
Sarah Michelle Gellar
as 1 episode, 2013
Tony Goldwyn
as 1 episode, 2011
Heather Graham
as 3 episodes, 2011-2013
Kelsey Grammer
as 3 episodes, 2006-2014
Seth Green
as 11 episodes, 2005-2014
Carla Gugino
as Herself / 8 episodes, 2005-2012
Anthony Michael Hall
as 1 episode, 2006
George Hamilton
as 6 episodes, 2008-2013
Mark Harmon
as 6 episodes, 2005-2013
David Hasselhoff
as 2 episodes, 2007-2008
Marg Helgenberger
as Herself / 6 episodes, 2005-2010
Jennifer Love Hewitt
as Herself / 12 episodes, 2005-2012
Anjelica Huston
as 5 episodes, 2005-2013
Ice-T
as 3 episodes, 2006-2014
Eric Idle
as Himself / 11 episodes, 2005-2015
Chris Isaak
as Himself / 9 episodes, 2005-2009
Marianne Jean-Baptiste
as 2 episodes, 2005-2008
Ben Kingsley
as Himself - Guest / 11 episodes, 2006-2014
Greg Kinnear
as 3 episodes, 2006-2007
Lisa Kudrow
as 16 episodes, 2009-2014
Anthony LaPaglia
as 3 episodes, 2005-2006
Cheryl Ladd
as 1 episode, 2005
Ricki Lake
as 1 episode, 2006
Jessica Lange
as 2 episodes, 2009-2011
Queen Latifah
as 1 episode, 2013
Matt LeBlanc
as 2 episodes, 2011-2014
Cloris Leachman
as 2 episodes, 2005-2010
Denis Leary
as 12 episodes, 2006-2014
David Letterman
as Himself / 3 episodes, 2011-2015
Jet Li
as 1 episode, 2008
Laura Linney
as 3 episodes, 2005-2012
Courtney Love
as 1 episode, 2013
Jon Lovitz
as 1 episode, 2011
Kyle MacLachlan
as 1 episode, 2006
Joe Mantegna
as 5 episodes, 2005-2008
Dylan McDermott
as 1 episode, 2007
Natascha McElhone
as 1 episode, 2007
John C. McGinley
as 3 episodes, 2005-2007
Jonny Lee Miller
as 1 episode, 2008
Kylie Minogue
as 1 episode, 2008
Jay Mohr
as 1 episode, 2008
Rob Morrow
as Himself / 5 episodes, 2005-2009
Mr. T
as 1 episode, 2006
Bebe Neuwirth
as 1 episode, 2006
Connie Nielsen
as 1 episode, 2007
Edward Norton
as 4 episodes, 2006-2012
Tatum O'Neal
as 1 episode, 2011
Chazz Palminteri
as 1 episode, 2006
Anna Paquin
as 1 episode, 2006
Guy Pearce
as 3 episodes, 2009-2014
Amanda Peet
as 5 episodes, 2008-2014
Barry Pepper
as 1 episode, 2006
Rosie Perez
as 9 episodes, 2007-2014
Elizabeth Perkins
as 3 episodes, 2007-2009
Matthew Perry
as Himself / 2 episodes, 2012-2015
Kevin Pollak
as Himself / 4 episodes, 2005-2012
Teri Polo
as Herself / 4 episodes, 2005-2013
Michael Rapaport
as 2 episodes, 2006
Lynn Redgrave
as 1 episode, 2006
Paul Reiser
as 4 episodes, 2006-2014
Debbie Reynolds
as 3 episodes, 2005-2013
Jonathan Rhys Meyers
as 1 episode, 2005
Robert Rodriguez
as 2 episodes, 2005-2007
Roseanne Barr
as 4 episodes, 2006-2012
Mercedes Ruehl
as 1 episode, 2006
Geoffrey Rush
as 2 episodes, 2011-2013
Julian Sands
as 2 episodes, 2005-2006
Joel Schumacher
as 1 episode, 2011
Kyra Sedgwick
as 4 episodes, 2006-2011
Rufus Sewell
as 1 episode, 2008
Tony Shalhoub
as 6 episodes, 2005-2011
Cybill Shepherd
as 1 episode, 2005
Martin Short
as 2 episodes, 2013-2015
Jonathan Silverman
as 2 episodes, 2007
Jimmy Smits
as 2 episodes, 2005-2007
Suzanne Somers
as 1 episode, 2005
Barry Sonnenfeld
as 3 episodes, 2006-2008
Kevin Sorbo
as 1 episode, 2012
Timothy Spall
as 1 episode, 2007
Tori Spelling
as 2 episodes, 2005-2007
Jerry Springer
as 3 episodes, 2007-2010
Nick Stahl
as 1 episode, 2005
John Stamos
as 2 episodes, 2006-2008
Imelda Staunton
as 1 episode, 2005
Jeffrey Tambor
as Himself / 12 episodes, 2008-2013
Nancy Travis
as 1 episode, 2008
Stanley Tucci
as 1 episode, 2006
John Turturro
as 1 episode, 2007
Dick Van Dyke
as 2 episodes, 2010-2011
Emily Watson
as 1 episode, 2007
Steven Weber
as 1 episode, 2006
Forest Whitaker
as Himself / 5 episodes, 2006-2011
Vanessa Williams
as 1 episode, 2005
Henry Winkler
as Himself / 19 episodes, 2005-2014
Alicia Witt
as Herself - Guest / 3 episodes, 2008-2010
Noah Wyle
as 1 episode, 2014
Amy Yasbeck
as 5 episodes, 2005-2007
Peter Boyle
as 1 episode, 2005
Emma Bunton
as 1 episode, 2005
Thomas Haden Church
as 1 episode, 2005
Roger Daltrey
as 1 episode, 2007
Gloria Estefan
as 1 episode, 2014
Will Ferrell
as 3 episodes, 2008-2011
Tori Amos
as 4 episodes, 2005-2009
John Carroll Lynch
as 1 episode, 2005
Shannon Elizabeth
as 1 episode, 2005
Emmy Rossum
as 2 episodes, 2005-2013
Mena Suvari
as 1 episode, 2007
Daniel McVicar
as 12 episodes, 2005-2008
Marc Shaiman
as 1 episode, 2015
Kevin Smith
as 5 episodes, 2006-2008
Michael Clarke Duncan
as Himself / 18 episodes, 2005-2012
Brian Cox
as 1 episode, 2005
Robert David Hall
as Himself / 2 episodes, 2005-2010
Adam Scott
as 2 episodes, 2007-2008
Jason Alexander
as 4 episodes, 2005-2014
Jessica Alba
as 2 episodes, 2008
Buzz Aldrin
as 1 episode, 2005
Herb Alpert
as 1 episode, 2010
Louie Anderson
as Himself - Guest / 10 episodes, 2010-2014
Will Arnett
as Himself - Guest / 2 episodes, 2013-2015
Erykah Badu
as 1 episode, 2005
Tyra Banks
as 2 episodes, 2005-2006
Maria Bello
as 11 episodes, 2005-2014
Julie Benz
as 2 episodes, 2008
Leslie Bibb
as Herself - Guest / 4 episodes, 2007-2012
Jason Biggs
as 5 episodes, 2006-2013
Clint Black
as Himself - Interviewee / 1 episode, 2005
Selma Blair
as 3 episodes, 2009-2013
Rachel Blanchard
as 1 episode, 2006
Andrea Bocelli
as 1 episode, 2006
David Boreanaz
as 8 episodes, 2006-2013
Saffron Burrows
as 7 episodes, 2007-2011
Amanda Bynes
as 1 episode, 2005
Stephen J. Cannell
as 1 episode, 2006
Linda Cardellini
as 1 episode, 2009
Drew Carey
as Himself / 26 episodes, 2005-2015
Deana Carter
as Herself / 5 episodes, 2005-2008
Michael Chiklis
as 2 episodes, 2005-2012
Emmanuelle Chriqui
as 1 episode, 2008
Stephen Collins
as 1 episode, 2005
Sean 'Diddy' Combs
as 1 episode, 2009
Coolio
as 3 episodes, 2008
Alice Cooper
as Himself / 9 episodes, 2005-2008
Tim Daly
as 6 episodes, 2006-2011
Kristin Davis
as Herself / 6 episodes, 2008-2012
Andy Dick
as 1 episode, 2005
Vin Diesel
as 1 episode, 2013
Snoop Dogg
as 1 episode, 2006
Kenneth 'Babyface' Edmonds
as 1 episode, 2005
Melissa Etheridge
as 1 episode, 2012
Edie Falco
as 2 episodes, 2006-2009
Joely Fisher
as 4 episodes, 2005-2011
Dave Foley
as Himself / 20 episodes, 2005-2009
Ben Foster
as 1 episode, 2009
Jamie Foxx
as 1 episode, 2012
Brad Garrett
as 1 episode, 2007
Sara Gilbert
as 3 episodes, 2005-2013
Adam Goldberg
as Himself / 13 episodes, 2007-2015
Macy Gray
as 1 episode, 2005
Kathy Griffin
as Herself / 17 episodes, 2007-2014
Matt Groening
as 1 episode, 2006
Kirk Hammett
as 1 episode, 2014
Colin Hanks
as 3 episodes, 2005-2014
Alyson Hannigan
as 3 episodes, 2005-2008
Angie Harmon
as 1 episode, 2013
Melissa Joan Hart
as 1 episode, 2011
Tony Hawk
as 1 episode, 2005
Sean Hayes
as Himself - Guest / 8 episodes, 2011-2015
Patricia Heaton
as 5 episodes, 2006-2013
Hugh Hefner
as 2 episodes, 2006
Jill Hennessy
as 1 episode, 2007
Terrence Howard
as 2 episodes, 2006-2007
Kelly Hu
as 1 episode, 2007
Oliver Hudson
as 3 episodes, 2007-2008
Felicity Huffman
as 3 episodes, 2005-2008
Enrique Iglesias
as 1 episode, 2007
Ray J
as 1 episode, 2005
Joshua Jackson
as 3 episodes, 2009-2014
Allison Janney
as 4 episodes, 2005-2015
Joan Jett
as 2 episodes, 2006-2014
Vinnie Jones
as 2 episodes, 2007-2008
Melina Kanakaredes
as 5 episodes, 2005-2010
Don King
as 1 episode, 2005
Larry King
as Himself / 22 episodes, 2009-2015
Regina King
as 2 episodes, 2005-2009
Alex Kingston
as 2 episodes, 2011
Chris Klein
as 1 episode, 2009
Diana Krall
as Herself / 3 episodes, 2006-2007
Mila Kunis
as Herself - Guest / 11 episodes, 2009-2014
Ashton Kutcher
as 1 episode, 2014
LL Cool J
as Himself - Guest / 5 episodes, 2007-2014
Nick Lachey
as Himself / 5 episodes, 2006-2014
Sanaa Lathan
as 1 episode, 2006
Lucy Lawless
as 1 episode, 2006
Jason Lee
as 4 episodes, 2005-2011
Jane Leeves
as 1 episode, 2013
Annie Lennox
as 1 episode, 2015
Jay Leno
as 3 episodes, 2012-2014
Little Richard
as Himself - Interviewee / 2 episodes, 2005
Lucy Liu
as 3 episodes, 2010-2013
Lisa Loeb
as Herself / 2 episodes, 2005-2006
Lyle Lovett
as 2 episodes, 2007-2014
Natasha Lyonne
as 1 episode, 2013
Bernie Mac
as 1 episode, 2005
Norm MacDonald
as 1 episode, 2011
Bill Maher
as Himself / 6 episodes, 2005-2013
Wendie Malick
as 4 episodes, 2005-2014
Howie Mandel
as Himself - Guest / 12 episodes, 2006-2014
Camryn Manheim
as 2 episodes, 2005-2006
Barry Manilow
as 3 episodes, 2006-2008
Aimee Mann
as 1 episode, 2006
Ziggy Marley
as Himself / 3 episodes, 2006-2011
James Marsden
as 8 episodes, 2006-2014
Paula Marshall
as 2 episodes, 2009
Martina McBride
as 1 episode, 2009
Eric McCormack
as 1 episode, 2005
Mary McCormack
as 7 episodes, 2005-2014
Reba McEntire
as Herself - Guest / 6 episodes, 2006-2012
Ian McKellen
as 1 episode, 2007
Brian McKnight
as Himself - Musical Guest / 3 episodes, 2005
Sarah McLachlan
as Herself / 2 episodes, 2008-2010
Tim Meadows
as Himself / 39 episodes, 2006-2014
Jo Dee Messina
as 1 episode, 2005
Breckin Meyer
as 8 episodes, 2009-2014
Moby
as Himself / 3 episodes, 2005-2011
Esai Morales
as 1 episode, 2006
Carrie-Anne Moss
as 1 episode, 2007
Elisabeth Moss
as 2 episodes, 2013-2014
Megan Mullally
as 4 episodes, 2013-2014
Frankie Muniz
as 1 episode, 2006
Brittany Murphy
as 1 episode, 2009
Dave Navarro
as 1 episode, 2005
Kevin Nealon
as 1 episode, 2006
Willie Nelson
as Himself / 4 episodes, 2010
Randy Newman
as 1 episode, 2008
Jerry O'Connell
as Himself / 3 episodes, 2005-2011
Rosie O'Donnell
as 4 episodes, 2005-2010
Ozzy Osbourne
as 1 episode, 2005
Haley Joel Osment
as 1 episode, 2014
Donny Osmond
as 2 episodes, 2005-2011
Marie Osmond
as 1 episode, 2006
Sarah Paulson
as 7 episodes, 2011-2014
Piper Perabo
as 3 episodes, 2006-2011
Pauley Perrette
as Herself / 5 episodes, 2005-2015
Joy Philbin
as 1 episode, 2010
Regis Philbin
as Himself / 25 episodes, 2005-2015
Busy Philipps
as 2 episodes, 2010-2015
Drew Pinsky
as 7 episodes, 2005-2008
Jeremy Piven
as 2 episodes, 2005
Paulina Porizkova
as 4 episodes, 2008-2010
Monica Potter
as 5 episodes, 2010-2015
Paula Poundstone
as Herself / 17 episodes, 2006-2015
Jaime Pressly
as 2 episodes, 2006-2014
Kim Raver
as 2 episodes, 2005-2006
Tara Reid
as 1 episode, 2005
Tim Reid
as 1 episode, 2008
Carl Reiner
as 12 episodes, 2005-2014
Ryan Reynolds
as 2 episodes, 2005-2009
Busta Rhymes
as Himself - Interviewee / 1 episode, 2006
LeAnn Rimes
as 1 episode, 2005
Kid Rock
as 1 episode, 2007
Ray Romano
as Himself / 10 episodes, 2006-2015
Marion Ross
as 1 episode, 2006
Keri Russell
as 2 episodes, 2007-2010
Jeri Ryan
as 2 episodes, 2005-2006
Ricky Schroder
as 1 episode, 2005
Jason Schwartzman
as Himself - Guest / 11 episodes, 2005-2014
Seann William Scott
as 2 episodes, 2008-2010
Katey Sagal
as 8 episodes, 2005-2014
Jane Seymour
as 1 episode, 2005
Lindsay Sloane
as Herself / 6 episodes, 2006-2015
Amy Smart
as Herself / 7 episodes, 2006-2014
Jean Smart
as 1 episode, 2009
Patti Smith
as 3 episodes, 2005-2007
Leelee Sobieski
as 1 episode, 2005
Mary Steenburgen
as 5 episodes, 2006-2013
Julia Stiles
as 4 episodes, 2007-2014
Marty Stuart
as 1 episode, 2007
Joe Theismann
as Himself / 9 episodes, 2006-2014
Scott 'Carrot Top' Thompson
as Himself / 10 episodes, 2006-2014
Maura Tierney
as 2 episodes, 2006-2008
Lily Tomlin
as 3 episodes, 2011-2012
Travis Tritt
as 1 episode, 2006
Mike Tyson
as 1 episode, 2013
Lars Ulrich
as 1 episode, 2014
Gabrielle Union
as 1 episode, 2011
Amber Valletta
as 3 episodes, 2005-2010
Kate Walsh
as 2 episodes, 2006-2007
Barry Watson
as 1 episode, 2005
Harvey Weinstein
as 1 episode, 2012
Alexandra Wentworth
as Herself / 2 episodes, 2007-2008
Harland Williams
as 1 episode, 2005
Jonathan Winters
as 1 episode, 2008
Dweezil Zappa
as 1 episode, 2008
Jim Sheridan
as 1 episode, 2005
Donal Logue
as 1 episode, 2006
Elizabeth Banks
as 6 episodes, 2005-2014
Amy Adams
as 2 episodes, 2006-2009
Jane Adams
as 1 episode, 2010
Trace Adkins
as Himself / 9 episodes, 2006-2013
Scott Adsit
as 2 episodes, 2013
Shohreh Aghdashloo
as 5 episodes, 2009-2013
Malin Akerman
as 8 episodes, 2010-2014
Carlos Alazraqui
as Himself / 3 episodes, 2005-2010
Mitch Albom
as Himself / 10 episodes, 2005-2013
Sherman Alexie
as 1 episode, 2007
Lily Allen
as 1 episode, 2007
Todd Allen
as 1 episode, 2008
Isabel Allende
as 2 episodes, 2006-2010
Ed Alonzo
as Himself / 4 episodes, 2009-2015
Tony Alva
as 1 episode, 2005
Tom Amandes
as 1 episode, 2005
Christiane Amanpour
as 3 episodes, 2009-2014
Jonathan Ames
as 3 episodes, 2010-2012
Brett Anderson
as 1 episode, 2005
Judd Apatow
as Himself / 7 episodes, 2010-2015
Shiri Appleby
as 2 episodes, 2010
Adam Arkin
as 3 episodes, 2008-2009
Peter Arnett
as 1 episode, 2005
Monica
as 1 episode, 2006
Tichina Arnold
as 1 episode, 2006
Joseph Arthur
as 1 episode, 2006
Arthur
as 4 episodes, 2010-2011
Dave Attell
as 5 episodes, 2009-2014
Steve Austin
as 2 episodes, 2005
Michael Bacon
as Himself / 3 episodes, 2005-2014
Diedrich Bader
as 2 episodes, 2008-2010
Bill Bailey
as Himself - Comedian / 3 episodes, 2006-2011
Maria Bamford
as Herself / 4 episodes, 2005-2015
Eric Bana
as 3 episodes, 2007-2009
Bob Barker
as Himself / 6 episodes, 2006-2011
Jacinda Barrett
as 4 episodes, 2006-2010
Bill Barretta
as Himself / 5 episodes, 2005-2008
Dave Barry
as Himself / 7 episodes, 2006-2012
Peter Bart
as Himself / 4 episodes, 2005-2009
Justin Bartha
as 1 episode, 2008
Jay Baruchel
as 3 episodes, 2010-2014
Matthew Bates
as 1 episode, 2007
Alan Bean
as 1 episode, 2007
Bebel Gilberto
as 1 episode, 2008
David Beckham
as 1 episode, 2011
Joy Behar
as 1 episode, 2011
Kristen Bell
as Herself / 28 episodes, 2005-2014
André Benjamin
as 2 episodes, 2006-2008
D.C. Benny
as Himself / 2 episodes, 2005-2006
Fred Berman
as 1 episode, 2006
Carl Bernstein
as 4 episodes, 2007-2009
Paul Bettany
as 1 episode, 2006
Yasiin Bey
as 1 episode, 2005
Mayim Bialik
as 1 episode, 2012
Craig Bierko
as 1 episode, 2008
Paul Feig
as 1 episode, 2005
Jack Black
as Himself / 5 episodes, 2006-2014
Lewis Black
as Himself / 9 episodes, 2008-2014
Michael Ian Black
as Himself / 9 episodes, 2006-2015
Rosa Blasi
as 1 episode, 2005
Alexis Bledel
as 1 episode, 2009
Wolf Blitzer
as Himself / 3 episodes, 2005-2011
Jeremy Bloom
as 1 episode, 2006
Roy Blount Jr.
as 1 episode, 2006
Eric Bogosian
as 1 episode, 2005
Philip Bolden
as 1 episode, 2005
Danny Bonaduce
as 8 episodes, 2005-2007
Krayzie Bone
as 1 episode, 2005
Alex Borstein
as 2 episodes, 2006
Chris Botti
as Himself - Guest / 2 episodes, 2005-2009
Julie Bowen
as 4 episodes, 2007-2014
Terry Bradshaw
as 2 episodes, 2014
Wayne Brady
as Himself - Host / 6 episodes, 2014-2015
Zach Braff
as 1 episode, 2013
Billy Bragg
as Himself - Musical Guest / 3 episodes, 2005-2007
Richard Branson
as 1 episode, 2008
Mitch Braswell
as 1 episode, 2005
Jim Breuer
as 1 episode, 2009
Jordana Brewster
as 2 episodes, 2006-2012
Paget Brewster
as 1 episode, 2006
Connie Britton
as 4 episodes, 2006-2013
Amber Mariano
as 1 episode, 2005
Adam Brody
as 1 episode, 2010
Kix Brooks
as 2 episodes, 2006
Max Brooks
as 1 episode, 2007
Cary Brothers
as 1 episode, 2007
Aaron Brown
as 1 episode, 2006
Alton Brown
as 1 episode, 2012
Mel B
as 1 episode, 2014
Michael Bublé
as 1 episode, 2009
Joe Buck
as 1 episode, 2005
Lindsey Buckingham
as 1 episode, 2006
Mark Burnett
as 1 episode, 2009
Ty Burrell
as 2 episodes, 2010-2011
Lance Burton
as Himself / 4 episodes, 2007-2011
Sophia Bush
as Herself / 7 episodes, 2007-2014
Gerard Butler
as 5 episodes, 2005-2011
Rose Byrne
as 2 episodes, 2007-2009
Louis C.K.
as 2 episodes, 2005-2007
Frank Caliendo
as 3 episodes, 2006-2007
Eva LaRue
as 1 episode, 2006
Tom Caltabiano
as 1 episode, 2006
Bruce Campbell
as 1 episode, 2005
Nick Cannon
as 3 episodes, 2005-2007
Peter Capaldi
as 1 episode, 2009
Steve Carell
as 8 episodes, 2005-2014
Belinda Carlisle
as 1 episode, 2008
Torry Castellano
as 1 episode, 2005
Tom Cavanagh
as 1 episode, 2006
Dick Cavett
as 2 episodes, 2010-2015
Kyle Cease
as 1 episode, 2005
Cedric the Entertainer
as Himself / 8 episodes, 2007-2014
Jeff Cesario
as 3 episodes, 2006-2011
Sarah Chalke
as Herself - Guest / 8 episodes, 2008-2014
Julie Chen
as Herself / 24 episodes, 2005-2014
Kristin Chenoweth
as Herself - Guest / 10 episodes, 2005-2014
Marc Cherry
as 1 episode, 2005
Rozonda 'Chilli' Thomas
as 1 episode, 2005
Henry Cho
as Himself / 7 episodes, 2006-2014
John Cho
as 2 episodes, 2012-2013
Margaret Cho
as Herself / 11 episodes, 2008-2014
Clark Gregg
as 1 episode, 2007
Melinda Clarke
as 1 episode, 2005
Patricia Clarkson
as 2 episodes, 2008
Hillary Clinton
as 1 episode, 2008
Andy Cohen
as 1 episode, 2015
Jackie Collins
as Herself / 8 episodes, 2006-2014
Shawn Colvin
as 1 episode, 2007
Michaela Conlin
as 2 episodes, 2014
Michael Connelly
as Himself / 4 episodes, 2005-2013
Billy Connolly
as 5 episodes, 2006-2013
Kevin Connolly
as 1 episode, 2006
Nina Conti
as 1 episode, 2012
John Convertino
as 1 episode, 2006
Steve Coogan
as 1 episode, 2009
Dane Cook
as 1 episode, 2009
Jennifer Coolidge
as 2 episodes, 2005-2012
Anderson Cooper
as 1 episode, 2006
Bradley Cooper
as 2 episodes, 2012-2014
Alicia Coppola
as 2 episodes, 2007-2008
John Corbett
as Himself - Guest / 3 episodes, 2006-2010
James Corden
as 1 episode, 2014
Abbie Cornish
as 3 episodes, 2010-2014
Seth Gabel
as 2 episodes, 2008-2014
Marion Cotillard
as 9 episodes, 2007-2015
Katie Couric
as Herself / 2 episodes, 2010-2011
Bryan Cranston
as 5 episodes, 2005-2012
Robert Cray
as 1 episode, 2005
Terry Crews
as 4 episodes, 2007-2010
David Cross
as 2 episodes, 2006-2015
Jim Cummings
as 1 episode, 2011
Kaley Cuoco
as 3 episodes, 2007-2013
Richard Curtis
as 1 episode, 2013
Chris D'Elia
as 1 episode, 2015
Andrew Daly
as 1 episode, 2006
Hugh Dancy
as 1 episode, 2013
Charlie Daniels
as 1 episode, 2005
Chris Daughtry
as 1 episode, 2007
Larry David
as 1 episode, 2009
Tommy Davidson
as 1 episode, 2010
Lucy Davis
as 1 episode, 2006
Viola Davis
as 1 episode, 2009
Rosario Dawson
as 1 episode, 2009
Oscar De La Hoya
as 3 episodes, 2006-2007
Emilie de Ravin
as 1 episode, 2006
Cat Deeley
as 7 episodes, 2006-2014
Del
as 1 episode, 2008
Jamie Denbo
as Herself / 17 episodes, 2006-2008
James Denton
as 4 episodes, 2005-2007
Eugenio Derbez
as 2 episodes, 2013-2014
Emily Deschanel
as 8 episodes, 2006-2014
Zooey Deschanel
as Herself - Guest / 13 episodes, 2006-2014
Loretta Devine
as 1 episode, 2005
Ani Difranco
as 1 episode, 2005
Phyllis Diller
as 1 episode, 2006
Paul Dinello
as 1 episode, 2006
Lewis Dix Jr.
as 1 episode, 2006
Omid Djalili
as 1 episode, 2011
Andrew Donnelly
as 1 episode, 2005
Maureen Dowd
as 2 episodes, 2005
Rachel Dratch
as 2 episodes, 2007-2008
Tom Dreesen
as 1 episode, 2008
Robert Dubac
as 2 episodes, 2007
Josh Duhamel
as 1 episode, 2007
Ronnie Dunn
as 2 episodes, 2006
Jakob Dylan
as Himself / 2 episodes, 2008-2010
Guillermo Díaz
as 1 episode, 2013
E-40
as 1 episode, 2006
George Eads
as 3 episodes, 2005-2009
Steve Earle
as 1 episode, 2005
Elliot Easton
as 2 episodes, 2006
Megalyn Echikunwoke
as 2 episodes, 2007-2008
Dennis Eckersley
as 1 episode, 2010
Dean Edwards
as Himself / 3 episodes, 2007-2008
Ian Edwards
as 1 episode, 2006
Chiwetel Ejiofor
as 1 episode, 2006
James Ellroy
as 1 episode, 2005
Michael Emerson
as 1 episode, 2012
Bill Engvall
as 1 episode, 2008
Jennifer Esposito
as 3 episodes, 2007-2008
Donald Faison
as 1 episode, 2006
Anna Faris
as 1 episode, 2013
Vera Farmiga
as 3 episodes, 2011-2014
Diane Farr
as 2 episodes, 2005-2006
Jon Favreau
as Himself / 6 episodes, 2005-2014
Nat Faxon
as Himself / 2 episodes, 2012-2014
Julian Fellowes
as 1 episode, 2005
Tom Felton
as 2 episodes, 2010-2014
Spike Feresten
as 1 episode, 2006
Craig Ferguson
as Himself - Host / 2,024 episodes, 2005-2014
Jesse Tyler Ferguson
as 3 episodes, 2012-2014
Lynn Ferguson
as 2 episodes, 2008
Adam Ferrara
as 1 episode, 2006
Tina Fey
as 1 episode, 2011
Anthony Field
as 1 episode, 2006
Elisabeth Hasselbeck
as 1 episode, 2011
Nathan Fillion
as 4 episodes, 2007-2009
Jennifer Finnigan
as 4 episodes, 2005-2010
Jenna Fischer
as 4 episodes, 2006-2012
Isla Fisher
as 2 episodes, 2005-2013
Kate Flannery
as 1 episode, 2008
Renée Fleming
as Herself / 2 episodes, 2005-2009
Erin Foley
as Herself / 2 episodes, 2014
Tom Fontana
as 1 episode, 2006
Shang Forbes
as 1 episode, 2006
Maya Ford
as 1 episode, 2005
Jorja Fox
as 1 episode, 2007
Jeff Foxworthy
as 3 episodes, 2008-2014
Michael Franti
as Himself - Musical Guest / 4 episodes, 2006-2010
James Frey
as 1 episode, 2009
Anna Friel
as 2 episodes, 2008-2009
Joanne Froggatt
as 3 episodes, 2012-2015
Jim Gaffigan
as Himself / 10 episodes, 2005-2015
Neil Gaiman
as 2 episodes, 2011
Johnny Galecki
as Himself - Guest / 4 episodes, 2009-2011
Zach Galifianakis
as 1 episode, 2013
Robert Ben Garant
as 1 episode, 2007
Aimee Garcia
as Herself - Guest / 3 episodes, 2013-2014
JoAnna Garcia Swisher
as 1 episode, 2008
Jeff Garlin
as 4 episodes, 2012-2013
Kyle Gass
as Himself / 2 episodes, 2012-2014
Ana Gasteyer
as 2 episodes, 2011-2015
Larry Gatlin
as 1 episode, 2011
Ari Graynor
as 3 episodes, 2012-2014
Nelson George
as 1 episode, 2009
Ricky Gervais
as 2 episodes, 2014
Paul Giamatti
as 3 episodes, 2011-2013
Jessalyn Gilsig
as 2 episodes, 2009
Anne Girard
as 1 episode, 2007
Lola Glaudini
as 1 episode, 2006
Jón Gnarr
as 1 episode, 2014
Joy Gohring
as 1 episode, 2011
Elon Gold
as 1 episode, 2005
Judy Gold
as 1 episode, 2011
Ian Gomez
as 1 episode, 2012
Doris Kearns Goodwin
as 1 episode, 2013
Ginnifer Goodwin
as 3 episodes, 2012-2013
Jeff Gordon
as 1 episode, 2005
Joseph Gordon-Levitt
as 2 episodes, 2013-2014
Christopher Gorham
as 5 episodes, 2008-2011
Dave Gorman
as 1 episode, 2005
Topher Grace
as Himself / 2 episodes, 2010-2011
Lauren Graham
as Herself - Guest / 14 episodes, 2006-2015
David Gray
as 2 episodes, 2006-2009
Max Greenfield
as 8 episodes, 2012-2014
Judy Greer
as 3 episodes, 2006-2011
Stacey Woods
as 1 episode, 2007
Eddie Griffin
as 1 episode, 2007
Patty Griffin
as 1 episode, 2010
Rachel Griffiths
as 2 episodes, 2005-2008
Rupert Grint
as 1 episode, 2007
Dave Grohl
as 1 episode, 2014
Ioan Gruffudd
as 3 episodes, 2007-2011
Peter Guber
as Himself / 3 episodes, 2005-2006
David A. Stewart
as 1 episode, 2012
Anna Gunn
as 1 episode, 2009
Buddy Guy
as 1 episode, 2005
Maggie Gyllenhaal
as 2 episodes, 2010-2013
Bill Hader
as 3 episodes, 2007-2014
Sammy Hagar
as 1 episode, 2006
Paul Haggis
as 7 episodes, 2005-2007
Tony Hale
as 3 episodes, 2012-2014
Michael C. Hall
as 2 episodes, 2012-2013
Rebecca Hall
as 1 episode, 2013
Regina Hall
as 2 episodes, 2014
Jon Hamm
as 5 episodes, 2010-2014
Evan Handler
as 1 episode, 2008
Glen Hansard
as 1 episode, 2007
Courtney Hansen
as 1 episode, 2005
Chris Hardwick
as Himself / 14 episodes, 2010-2013
Ben Harper
as Himself - Musical Guest / 3 episodes, 2009-2014
Jared Harris
as 1 episode, 2009
Naomie Harris
as Herself / 2 episodes, 2007-2012
Mary Hart
as 1 episode, 2007
Steve Hartman
as 1 episode, 2010
Dennis Haskins
as 1 episode, 2007
Greg Hawkes
as 2 episodes, 2006
Colin Hay
as 1 episode, 2011
Dennis Haysbert
as 1 episode, 2009
Anthony Head
as 1 episode, 2011
Lena Headey
as Herself - Guest / 5 episodes, 2008-2014
Simon Helberg
as Himself - Guest / 11 episodes, 2010-2015
Christina Hendricks
as 1 episode, 2013
Taraji P. Henson
as 1 episode, 2010
James Hetfield
as 1 episode, 2014
Carl Hiaasen
as 1 episode, 2006
John Hiatt
as 2 episodes, 2005-2008
Charlie Higson
as 1 episode, 2011
Tommy Hilfiger
as 1 episode, 2005
Dulé Hill
as 1 episode, 2009
Erica Hill
as 1 episode, 2010
Melinda Hill
as 1 episode, 2008
Paris Hilton
as 6 episodes, 2008-2011
Cheryl Hines
as Herself / 8 episodes, 2005-2014
Emile Hirsch
as 3 episodes, 2008-2012
Laurie Holden
as 1 episode, 2013
Nick Hornby
as 2 episodes, 2005-2008
Anthony Horowitz
as 1 episode, 2014
Danny Huston
as 1 episode, 2012
Bryce Dallas Howard
as 1 episode, 2009
Arianna Huffington
as 1 episode, 2005
D.L. Hughley
as Himself / 2 episodes, 2007-2011
Barry Humphries
as Himself / 3 episodes, 2009-2015
Sarah Hyland
as 2 episodes, 2013-2015
Gabriel Iglesias
as 1 episode, 2006
Grant Imahara
as Himself / 10 episodes, 2010-2012
Carrie Ann Inaba
as 6 episodes, 2006-2014
Dom Irrera
as 6 episodes, 2007-2011
John Irving
as 1 episode, 2012
Eddie Izzard
as Himself / 18 episodes, 2005-2014
Clinton Jackson
as 1 episode, 2008
Jack Jason
as 2 episodes, 2005-2006
Wyclef Jean
as 1 episode, 2005
Richard Jeni
as 1 episode, 2005
Ken Jeong
as 2 episodes, 2013-2014
Penn Jillette
as 1 episode, 2015
Maz Jobrani
as Himself / 3 episodes, 2005-2015
Jake Johannsen
as 1 episode, 2010
Scarlett Johansson
as 2 episodes, 2010-2014
Dwayne Johnson
as 2 episodes, 2007-2010
Felicity Jones
as 1 episode, 2011
Rashida Jones
as 18 episodes, 2005-2014
Shirley Jones
as 1 episode, 2013
Star Jones
as 1 episode, 2005
Steve Jones
as Himself / 13 episodes, 2005-2014
Jane Kaczmarek
as 5 episodes, 2005-2008
Bianca Kajlich
as 4 episodes, 2007-2014
Jamie Kaler
as 1 episode, 2005
Wendy Hammers
as 2 episodes, 2007
Chris Kattan
as 5 episodes, 2006-2010
Tom Kenny
as Himself / 2 episodes, 2006
Garrison Keillor
as 2 episodes, 2005-2014
Toby Keith
as Himself / 7 episodes, 2005-2012
Anna Kendrick
as 3 episodes, 2010-2012
Phil Keoghan
as Himself / 5 episodes, 2005-2012
Tig Notaro
as 3 episodes, 2010-2015
Laura Kightlinger
as 1 episode, 2006
Jewel Kilcher
as Herself / 2 episodes, 2006
Yunjin Kim
as Herself / 3 episodes, 2008-2014
Jimmy Kimmel
as Himself - Guest / 3 episodes, 2014-2015
Mike Kimmel
as 1 episode, 2005
Richard Kind
as 3 episodes, 2005-2006
Jaime King
as 1 episode, 2012
Kathy Kinney
as 4 episodes, 2006-2010
Diane Klimaszewski
as 1 episode, 2006
Elaine Klimaszewski
as 1 episode, 2006
Matt Knudsen
as 1 episode, 2007
David Koechner
as 1 episode, 2015
Lance Krall
as 1 episode, 2009
Peter Krause
as 2 episodes, 2005-2011
Lenka Kripac
as 1 episode, 2008
David Krumholtz
as 2 episodes, 2005-2008
Kurupt
as 1 episode, 2006
David LaChapelle
as 1 episode, 2005
Cathy Ladman
as 6 episodes, 2007-2015
Padma Lakshmi
as 1 episode, 2006
Jonny Lang
as 1 episode, 2007
k.d. lang
as 1 episode, 2008
Daniel Lanois
as 1 episode, 2008
John Larroquette
as 6 episodes, 2005-2010
Brie Larson
as 4 episodes, 2010-2013
Jay Larson
as Himself / 2 episodes, 2005-2006
Bucky Lasek
as 1 episode, 2006
Tommy Lasorda
as 2 episodes, 2005-2013
Hugh Laurie
as 7 episodes, 2005-2014
Perez Hilton
as 1 episode, 2009
Twiggy
as 2 episodes, 2005-2006
Stan Lee
as 3 episodes, 2005-2010
Rachelle Lefevre
as 1 episode, 2013
Thomas Lennon
as Himself / 32 episodes, 2005-2015
Jenny Lewis
as 2 episodes, 2006-2009
Richard Lewis
as Himself / 4 episodes, 2008-2011
Wendy Liebman
as Herself / 2 episodes, 2005-2010
James Lipton
as 3 episodes, 2008-2010
Ron Livingston
as 4 episodes, 2005-2010
John Lloyd
as 1 episode, 2013
Karina Lombard
as 1 episode, 2005
Justin Long
as 6 episodes, 2009-2014
Eva Longoria
as 4 episodes, 2008
George Lopez
as Himself / 4 episodes, 2009-2014
Phil Lord
as 1 episode, 2009
Matt Lucas
as Himself / 3 episodes, 2010-2011
LeToya Luckett-Walker
as 1 episode, 2006
Ludacris
as 3 episodes, 2005-2007
John Lydon
as 1 episode, 2007
Jane Lynch
as Herself / 8 episodes, 2013-2015
Shelby Lynne
as Herself / 3 episodes, 2008-2010
Mario Lopez
as Himself / 2 episodes, 2007-2013
Fred MacAulay
as Himself / 2 episodes, 2010-2012
Kelly Macdonald
as 2 episodes, 2011-2012
Seth MacFarlane
as Himself / 7 episodes, 2005-2012
Ashley Madekwe
as 2 episodes, 2013-2014
Kathleen Madigan
as 1 episode, 2011
Holly Madison
as 2 episodes, 2006
Mía Maestro
as 1 episode, 2006
Sean Maguire
as 1 episode, 2006
Taj Mahal
as 1 episode, 2009
Jesse Malin
as 1 episode, 2007
Joshua Malina
as 1 episode, 2015
Jena Malone
as 3 episodes, 2007-2009
Leonard Maltin
as 1 episode, 2005
Method Man
as Himself / 2 episodes, 2005-2006
Jonathan Mangum
as 5 episodes, 2015
Taryn Manning
as 2 episodes, 2005
Kate Mara
as 2 episodes, 2008-2010
John Mariano
as 1 episode, 2015
Bob Marley
as 3 episodes, 2005-2007
Marc Maron
as Himself - Guest / 5 episodes, 2010-2013
Chris William Martin
as 1 episode, 2010
Duane Martin
as 2 episodes, 2006-2007
J. Mascis
as 1 episode, 2007
Marlee Matlin
as 2 episodes, 2005-2006
Glen Matlock
as 1 episode, 2007
James McAvoy
as 2 episodes, 2007-2008
Chi McBride
as 8 episodes, 2005-2013
Melissa McCarthy
as 2 episodes, 2010-2011
Maureen McCormick
as 1 episode, 2007
Frank McCourt
as 2 episodes, 2006-2007
Malachy McCourt
as 3 episodes, 2005-2007
Kevin McDonald
as 1 episode, 2005
Michael McDonald
as 1 episode, 2013
Neal McDonough
as 3 episodes, 2005-2008
John McEnroe
as 1 episode, 2009
Jack McGee
as Himself / 2 episodes, 2014
Gavin Rossdale
as 1 episode, 2005
Joel McHale
as Himself / 12 episodes, 2008-2014
Kevin McKidd
as 2 episodes, 2011-2012
Julian McMahon
as 3 episodes, 2005
Vince McMahon
as 1 episode, 2005
Michael McMillian
as 1 episode, 2014
Ian McShane
as 1 episode, 2006
John Mellencamp
as 2 episodes, 2007
Carlos Mencia
as 4 episodes, 2005-2006
John Mendoza
as 1 episode, 2005
Idina Menzel
as 2 episodes, 2006-2008
Stephen Merchant
as 2 episodes, 2015
S. Epatha Merkerson
as 1 episode, 2007
Chris Messina
as 1 episode, 2012
Metallica
as Themselves - Musical Guests / 5 episodes, 2014
Bret Michaels
as 1 episode, 2007
David Milch
as 5 episodes, 2005-2012
Christina Milian
as 1 episode, 2006
Ivana Milicevic
as 3 episodes, 2006-2014
Christopher Miller
as 1 episode, 2009
Dennis Miller
as Himself - Guest / 3 episodes, 2010-2012
Liza Minnelli
as 2 episodes, 2009-2011
Radha Mitchell
as 5 episodes, 2006-2013
Rhona Mitra
as Herself / 2 episodes, 2005-2012
Isaac Mizrahi
as Himself / 4 episodes, 2009-2012
Mo'Nique
as 6 episodes, 2005-2009
Shanna Moakler
as 1 episode, 2008
Colin Mochrie
as 1 episode, 2012
Dominic Monaghan
as Himself - Guest / 15 episodes, 2005-2014
Joe Montana
as 1 episode, 2005
Poppy Montgomery
as 7 episodes, 2005-2012
Mandy Moore
as 4 episodes, 2006-2007
Sam Moore
as 1 episode, 2006
Dylan Moran
as 1 episode, 2013
Tom Morello
as 1 episode, 2008
Jeffrey Dean Morgan
as 9 episodes, 2009-2013
Kathryn Morris
as 1 episode, 2005
Jennifer Morrison
as 1 episode, 2007
David Morrissey
as 1 episode, 2012
Emily Mortimer
as 4 episodes, 2005-2014
Martin Mull
as 1 episode, 2005
Erich 'Mancow' Muller
as 1 episode, 2005
Cillian Murphy
as 1 episode, 2014
Michael Musto
as 1 episode, 2009
Dee Dee Myers
as 3 episodes, 2008-2009
Sophia Myles
as 2 episodes, 2008
Parminder Nagra
as 5 episodes, 2005-2008
Suzy Nakamura
as 1 episode, 2006
Nas
as 1 episode, 2010
Lori Nasso
as 1 episode, 2006
Bob Newhart
as Himself / 4 episodes, 2014-2015
Thandie Newton
as 4 episodes, 2005-2008
Wayne Newton
as 1 episode, 2009
McG
as 1 episode, 2005
Rachel Nichols
as 1 episode, 2007
Julianne Nicholson
as 1 episode, 2007
Frank Nicotero
as 1 episode, 2014
Greg Nicotero
as 1 episode, 2005
Noomi Rapace
as 1 episode, 2011
Bojana Novakovic
as Herself / 2 episodes, 2014
Don Novello
as 1 episode, 2005
Bill Nye
as 2 episodes, 2005
Lawrence O'Donnell
as 1 episode, 2005
Jim O'Heir
as 1 episode, 2013
Sophie Okonedo
as 1 episode, 2005
Keith Olbermann
as 4 episodes, 2006-2013
Karla Souza
as 1 episode, 2014
Kaitlin Olson
as 2 episodes, 2007-2008
Timothy Olyphant
as 1 episode, 2006
Sharon Osbourne
as Herself - Guest / 6 episodes, 2013-2015
Beth Stern
as 1 episode, 2015
Andrea Osvárt
as 1 episode, 2013
Patton Oswalt
as 7 episodes, 2011-2014
Cheri Oteri
as 1 episode, 2007
Gary Owen
as 1 episode, 2007
Chuck Palahniuk
as 1 episode, 2005
Hayden Panettiere
as 1 episode, 2014
Grace Park
as 1 episode, 2013
Marisa Petroro
as 1 episode, 2005
Tony Parker
as 1 episode, 2008
Lana Parrilla
as 1 episode, 2010
Joe Patane
as 2 episodes, 2014-2015
James Patterson
as 1 episode, 2012
Frank Patton III
as 1 episode, 2012
Aaron Paul
as 1 episode, 2014
Ruben Paul
as 1 episode, 2007
Sara Paxton
as 1 episode, 2012
Ron Pearson
as 3 episodes, 2005-2007
Simon Pegg
as 1 episode, 2014
Kal Penn
as 4 episodes, 2007-2015
Eddie Pepitone
as 1 episode, 2015
Julie Gribble
as Herself - Musical Guest / 3 episodes, 2005-2010
Dwayne Perkins
as 1 episode, 2007
Rhea Perlman
as 1 episode, 2014
Ellen Page
as 4 episodes, 2010-2013
Billie Piper
as 1 episode, 2014
Robert Plant
as 2 episodes, 2005
Sydney Tamiia Poitier
as 1 episode, 2007
Brian Posehn
as 1 episode, 2005
Laura Prepon
as 4 episodes, 2007-2012
Dave Price
as 4 episodes, 2005-2006
Megyn Price
as 1 episode, 2007
Jeff Probst
as 5 episodes, 2005-2015
Emily Procter
as 1 episode, 2010
Greg Proops
as Himself / 9 episodes, 2005-2014
Rain Pryor
as 2 episodes, 2005-2006
Wolfgang Puck
as 19 episodes, 2006-2015
Lucy Punch
as 2 episodes, 2011-2012
Maggie Q
as 1 episode, 2007
DJ Qualls
as 13 episodes, 2009-2014
Daniel Radcliffe
as 2 episodes, 2012-2014
Aishwarya Rai Bachchan
as 1 episode, 2007
Bonnie Raitt
as Herself / 3 episodes, 2006-2013
Mary Lynn Rajskub
as 6 episodes, 2010-2015
Sara Ramirez
as 1 episode, 2006
Ian Rankin
as 1 episode, 2014
Jim Rash
as Himself / 5 episodes, 2013-2015
Elizabeth Reaser
as 1 episode, 2008
Redman
as 1 episode, 2007
Christopher Reid
as 2 episodes, 2007
Rick Reilly
as 1 episode, 2006
Matthew Rhys
as 1 episode, 2009
Anne Rice
as 3 episodes, 2012-2013
Kevin Scott Richardson
as 1 episode, 2013
Andy Richter
as 1 episode, 2008
Don Rickles
as 13 episodes, 2005-2014
Mindy Rickles
as 1 episode, 2014
Sam Riegel
as 1 episode, 2010
Ron Rifkin
as 1 episode, 2006
Kelly Ripa
as Herself / 2 episodes, 2011
Jason Ritter
as 6 episodes, 2006-2009
Naya Rivera
as 1 episode, 2013
Cokie Roberts
as 2 episodes, 2006-2009
Emma Roberts
as 1 episode, 2012
Allison Robertson
as 1 episode, 2005
Craig Robinson
as 1 episode, 2008
Harry Shearer
as 3 episodes, 2006-2008
Rikki Rockett
as 1 episode, 2007
Michelle Rodriguez
as 1 episode, 2009
Seth Rogen
as 3 episodes, 2011-2013
Jim Rome
as 1 episode, 2013
Jon Ronson
as Himself / 2 episodes, 2012-2013
Charlie Rose
as 1 episode, 2015
Michael Rosenbaum
as 1 episode, 2007
Philip Rosenthal
as Himself / 4 episodes, 2005-2011
Jeffrey Ross
as 2 episodes, 2007-2010
Tracee Ellis Ross
as 1 episode, 2007
David Lee Roth
as 1 episode, 2006
Kelly Rowland
as Herself / 2 episodes, 2009-2013
Paul Rudd
as 1 episode, 2009
Rita Rudner
as 1 episode, 2008
Sara Rue
as Herself / 5 episodes, 2005-2015
Mark Ruffalo
as 5 episodes, 2007-2010
Todd Rundgren
as 2 episodes, 2006
Salman Rushdie
as 6 episodes, 2008-2014
Scott Russo
as 1 episode, 2005
Pat Smear
as 1 episode, 2014
Amy Ryan
as 2 episodes, 2008-2010
RZA
as Himself / 8 episodes, 2005-2012
Peter Sagal
as Himself / 4 episodes, 2009-2012
Bob Saget
as 14 episodes, 2006-2015
Zoe Saldana
as 3 episodes, 2007-2014
Roselyn Sanchez
as 1 episode, 2006
Deion Sanders
as 1 episode, 2008
Adam Savage
as 5 episodes, 2009-2012
Doug Savant
as 1 episode, 2005
Josh Schwartz
as 1 episode, 2005
Jill Scott
as 1 episode, 2010
Tom Everett Scott
as 3 episodes, 2005-2010
Ryan Seacrest
as 2 episodes, 2013
Seal
as 2 episodes, 2008-2009
Amy Sedaris
as 6 episodes, 2006-2010
Rhea Seehorn
as 1 episode, 2015
Jason Segel
as Himself - Guest / 11 episodes, 2005-2012
Jake Shears
as 1 episode, 2005
Paul Shaffer
as Himself / 4 episodes, 2009-2015
Shaggy
as Himself / 2 episodes, 2005-2007
Ken Shamrock
as 1 episode, 2006
Garry Shandling
as 4 episodes, 2007-2015
Molly Shannon
as 3 episodes, 2007-2013
Alia Shawkat
as 1 episode, 2013
Michael Sheen
as 14 episodes, 2006-2014
Sherri Shepherd
as Herself - Guest / 4 episodes, 2007-2011
Craig Shoemaker
as 1 episode, 2010
Miriam Shor
as 1 episode, 2008
Brad Silberling
as 1 episode, 2005
Sarah Silverman
as 1 episode, 2015
David Simon
as 1 episode, 2012
Keaton Simons
as Himself / 2 episodes, 2006-2008
Slash
as 1 episode, 2010
Rickey Smiley
as 1 episode, 2005
Yakov Smirnoff
as 1 episode, 2014
Arjay Smith
as 1 episode, 2012
Curt Smith
as 1 episode, 2008
Emmitt Smith
as 1 episode, 2006
Tasha Smith
as 1 episode, 2007
Dick Smothers
as 1 episode, 2008
Tom Smothers
as 1 episode, 2008
Dee Snider
as 1 episode, 2006
Brittany Snow
as 1 episode, 2008
Bonnie Somerville
as 2 episodes, 2008
Andy Summers
as 1 episode, 2006
Abigail Spencer
as 2 episodes, 2013-2014
Octavia Spencer
as 1 episode, 2014
Ringo Starr
as 3 episodes, 2005-2012
Ben Stein
as Himself / 10 episodes, 2005-2013
David Steinberg
as 1 episode, 2005
Amber Stevens West
as 1 episode, 2007
Shadoe Stevens
as 1,743 episodes, 2005-2014
Chali 2na
as 1 episode, 2006
French Stewart
as 1 episode, 2006
Kristen Stewart
as 1 episode, 2012
Martha Stewart
as 1 episode, 2011
Jeff Stilson
as 3 episodes, 2010
Hannah Storm
as 1 episode, 2007
Whitley Strieber
as 1 episode, 2006
George Stroumboulopoulos
as 1 episode, 2013
Trudie Styler
as 1 episode, 2006
Alison Sudol
as 1 episode, 2009
Ethan Suplee
as 2 episodes, 2006
Julia Sweeney
as 2 episodes, 2006-2007
Wanda Sykes
as 7 episodes, 2005-2014
André Leon Talley
as 1 episode, 2009
Amber Tamblyn
as 1 episode, 2005
Audrey Tautou
as 2 episodes, 2009
Teller
as 1 episode, 2015
David Tennant
as 1 episode, 2014
Eddie Kaye Thomas
as 1 episode, 2006
Guillermo del Toro
as 3 episodes, 2009-2013
Guy Torry
as 2 episodes, 2007
Ajay Rochester
as 1 episode, 2012
Donald Trump
as 1 episode, 2015
Ming Tsai
as Himself / 4 episodes, 2006-2008
Michael Tucker
as 1 episode, 2005
Lawrence Turman
as 1 episode, 2005
Desmond Tutu
as Himself / 2 episodes, 2009-2014
Aisha Tyler
as Herself / 11 episodes, 2005-2015
Steven Tyler
as 2 episodes, 2012-2013
Tyrese Gibson
as Himself / 2 episodes, 2006
Emily VanCamp
as 1 episode, 2012
Brian Van Holt
as 1 episode, 2005
Lisa Vanderpump
as 1 episode, 2014
Michael Vartan
as 1 episode, 2010
Meredith Vieira
as 1 episode, 2014
John Viener
as Bob The Groom / 2 episodes, 2005
Rufus Wainwright
as 1 episode, 2005
Sonya Walger
as 4 episodes, 2010-2012
Eamonn Walker
as 2 episodes, 2006-2008
George Wallace
as 2 episodes, 2009-2010
Joe Walsh
as 1 episode, 2005
Julie Walters
as 1 episode, 2006
Patrick Warburton
as 1 episode, 2012
Mark Warrick
as 1 episode, 2010
Billy D. Washington
as 2 episodes, 2007
Isaiah Washington
as 1 episode, 2006
Kerry Washington
as 3 episodes, 2006-2010
Tionne 'T-Boz' Watkins
as 1 episode, 2005
Cynthia Watros
as 1 episode, 2006
Michael Weatherly
as 1 episode, 2013
Jacki Weaver
as 1 episode, 2013
Honeysuckle Weeks
as 1 episode, 2014
Joshua Weinstein
as 1 episode, 2005
Bob Weir
as 1 episode, 2015
Paul Weller
as 2 episodes, 2005
Cornel West
as 2 episodes, 2010-2011
Jennifer Westfeldt
as 1 episode, 2007
Deryck Whibley
as 1 episode, 2005
Betty White
as Herself - Guest / 22 episodes, 2005-2014
Bradley Whitford
as 3 episodes, 2006-2010
Mae Whitman
as 1 episode, 2014
Steve Whitmire
as 1 episode, 2005
Richard Wiese
as 1 episode, 2007
Wilco
as 2 episodes, 2010
Fred Willard
as 6 episodes, 2006-2008
Ashley Williams
as 1 episode, 2015
Michael Kenneth Williams
as 1 episode, 2011
Olivia Williams
as 3 episodes, 2009-2014
Paul Williams
as 1 episode, 2013
Carnie Wilson
as 1 episode, 2006
Chandra Wilson
as 2 episodes, 2007-2014
Nancy Wilson
as 1 episode, 2006
Rainn Wilson
as 2 episodes, 2008-2013
Reno Wilson
as 1 episode, 2012
Katheryn Winnick
as 1 episode, 2013
Marissa Jaret Winokur
as 1 episode, 2005
Mary Elizabeth Winstead
as 1 episode, 2007
Scott Wolf
as 1 episode, 2005
Tracy Kay
as 1 episode, 2005
Evan Rachel Wood
as 2 episodes, 2005-2009
Shailene Woodley
as Herself / 3 episodes, 2014
Shannon Woodward
as 2 episodes, 2011
Steve Wozniak
as 1 episode, 2015
Steven Wright
as Himself / 19 episodes, 2005-2014
Xzibit
as 3 episodes, 2005-2008
'Weird Al' Yankovic
as Himself - Guest / 5 episodes, 2010-2015
Anton Yelchin
as 1 episode, 2005
Dwight Yoakam
as Himself / 5 episodes, 2005-2009
Wade Youman
as 1 episode, 2005
Odette Annable
as 3 episodes, 2010-2011
Constance Zimmer
as 1 episode, 2014
Rob Zombie
as 2 episodes, 2005-2006
Anthony E. Zuiker
as 1 episode, 2009
Ira Elliot
as 1 episode, 2005
Don Winslow
as 1 episode, 2012
Morrissey
as 3 episodes, 2008
Billy Gardell
as Himself / 10 episodes, 2010-2015
Nigella Lawson
as 1 episode, 2007
Russell Peters
as 1 episode, 2009
Steve Howey
as 1 episode, 2005
Danny Pino
as 1 episode, 2005
Kat Dennings
as 6 episodes, 2011-2015
Common
as 1 episode, 2007
Adam Hills
as 1 episode, 2010
Dominic Cooper
as 1 episode, 2009
Harry Eden
as 1 episode, 2005
Keb' Mo'
as 2 episodes, 2005-2014
Lennon Parham
as Herself - Guest / 3 episodes, 2012-2015
Ashley Scott
as 1 episode, 2006
Dax Shepard
as Himself / 3 episodes, 2006-2010
Meaghan Rath
as 1 episode, 2013
Paul Buchanan
as 2 episodes, 2005
Michael Ealy
as 1 episode, 2014
Juno Temple
as 1 episode, 2011
Ann Wilson
as 1 episode, 2006
Tony Kanaan
as Himself - Guest / 3 episodes, 2013-2014
Johnny Rzeznik
as 2 episodes, 2007
Robby Takac
as 2 episodes, 2007
Mike Malinin
as 2 episodes, 2007
Lara Logan
as 1 episode, 2005
Jenny Wade
as 1 episode, 2010
Wynonna Judd
as Herself / 3 episodes, 2006-2011
John Krasinski
as 2 episodes, 2008-2015
Ruth Reichl
as 1 episode, 2005
Michael Lewis
as 1 episode, 2009
Derek Luke
as 2 episodes, 2006
Dario Franchitti
as 3 episodes, 2007-2010
Pat Monahan
as 1 episode, 2007
Skyler Stone
as 1 episode, 2007
Brian Scolaro
as 1 episode, 2012
Katie Aselton
as 1 episode, 2012
David Steinberg
as 2 episodes, 2007
Missy Elliott
as 1 episode, 2005
Richie Sambora
as 6 episodes, 2012
Jack Blades
as 1 episode, 2005
Kathryn Hahn
as 3 episodes, 2010-2012
Larke Miller
as 1 episode, 2006
America Ferrera
as 2 episodes, 2010-2014
Tricia Helfer
as 3 episodes, 2007-2008
Stana Katic
as 1 episode, 2009
Morena Baccarin
as 6 episodes, 2011-2015
Ben Folds
as 1 episode, 2005
Rich Fulcher
as 2 episodes, 2011
Lesley Wolff
as 1 episode, 2005
John Cena
as 1 episode, 2007
Dan Naturman
as Himself / 2 episodes, 2006-2007
Sarah Shahi
as Herself / 2 episodes, 2008-2012
Amanda Seyfried
as 1 episode, 2010
Lynne Koplitz
as 1 episode, 2007
George Clinton
as 1 episode, 2011
Newt Gingrich
as 1 episode, 2009
Eddie Steeples
as 1 episode, 2005
Simon Cowell
as 1 episode, 2009
Josh Radnor
as 2 episodes, 2008-2014
Kristen Schaal
as 2 episodes, 2014
Angie Stone
as 1 episode, 2005
Anthony Mackie
as 1 episode, 2006
Jimmy Pardo
as 1 episode, 2006
Ben Lee
as Himself / 2 episodes, 2006-2007
Jay McCaslin
as 1 episode, 2005
Carmen Lynch
as 1 episode, 2014
Condoleezza Rice
as 1 episode, 2010
Brian Huskey
as 1 episode, 2015
Dave Baksh
as 1 episode, 2005
Steve Jocz
as 1 episode, 2005
Phil McGraw
as Himself / 7 episodes, 2005-2012
Kelly Osbourne
as 1 episode, 2013
Rob Corddry
as 1 episode, 2007
Amanda Righetti
as 2 episodes, 2010
Stewart Francis
as Himself / 2 episodes, 2005
Ryan Bingham
as 1 episode, 2010
Tory Belleci
as 2 episodes, 2010-2011
David Benioff
as 2 episodes, 2012-2013
Lake Bell
as 3 episodes, 2008-2009
Elizabeth Tulloch
as 1 episode, 2011
Eric Jacobson
as Bear / 1 episode, 2009
Cobie Smulders
as 3 episodes, 2008-2009
Matthew Gray Gubler
as 2 episodes, 2012
Summer Glau
as 1 episode, 2013
Hayden Adams
as 1 episode, 2005
Marcia Clark
as 1 episode, 2014
Sarah Tiana
as 1 episode, 2013
Kathleen Rose Perkins
as 1 episode, 2012
Chris Wragge
as 1 episode, 2010
Tracie Thoms
as 1 episode, 2009
Jessica Lucas
as 1 episode, 2013
Travis Pastrana
as 1 episode, 2006
Coco Austin
as 1 episode, 2006
Albert Hammond Jr.
as 2 episodes, 2007
Rob Mariano
as 1 episode, 2005
Jeremy Roenick
as 1 episode, 2007
Todd Zeile
as 1 episode, 2005
Zachary Levi
as 1 episode, 2014
Michelle Monaghan
as 7 episodes, 2007-2014
Michelle Branch
as 1 episode, 2006
Tom Papa
as 1 episode, 2015
Jessica St. Clair
as Herself / 3 episodes, 2012-2015
Valerie Azlynn
as Herself - Guest / 3 episodes, 2013-2014
Kyle Dunnigan
as Himself - Comedian / 1 episode, 2006
Marshall Faulk
as 2 episodes, 2006
Becki Newton
as 1 episode, 2008
Mehmet Oz
as Himself / 2 episodes, 2010-2012
Mike Rowe
as 1 episode, 2007
Maggie Grace
as 2 episodes, 2012-2013
Randy Jackson
as 4 episodes, 2005-2007
Julie Gonzalo
as 2 episodes, 2012-2013
Masi Oka
as 3 episodes, 2007
Mary Alexandra Stiefvater
as 1 episode, 2006
Diane Kruger
as Herself - Guest / 4 episodes, 2009-2014
Dennis Lehane
as Himself / 4 episodes, 2008-2013
Philip McGrade
as Sir Cecil Wellsley-Hogg / 33 episodes, 2006-2007
Omarion
as 1 episode, 2007
Keegan-Michael Key
as 1 episode, 2012
Nikki Reed
as 5 episodes, 2012-2014
Mark Oliver Everett
as 1 episode, 2005
Ophira Eisenberg
as Herself / 2 episodes, 2012-2013
Nadine Velazquez
as 1 episode, 2006
Bret McKenzie
as 1 episode, 2005
Chris Matthews
as 3 episodes, 2008-2009
Angela Nissel
as 1 episode, 2006
Rebecca Mader
as 1 episode, 2010
John Mayer
as Himself - Host / 4 episodes, 2015
Avril Lavigne
as Herself / 3 episodes, 2007
Ron White
as 1 episode, 2008
Larry the Cable Guy
as 4 episodes, 2007-2013
Joey Burns
as 1 episode, 2006
Regina Spektor
as 2 episodes, 2009-2010
Russell Brand
as 3 episodes, 2008-2013
Darcy Donavan
as 1 episode, 2010
Hugh Moore
as 2 episodes, 2008-2013
50 Cent
as 2 episodes, 2007-2010
Mark Forward
as Himself / 2 episodes, 2012-2014
Madeleine Albright
as 2 episodes, 2009
Christian Louboutin
as 1 episode, 2011
Adam Pally
as Himself - Guest / 2 episodes, 2011-2015
Krysten Ritter
as 4 episodes, 2013-2014
Genesis Rodriguez
as 2 episodes, 2013-2014
Shirley Manson
as Herself / 7 episodes, 2008-2011
Mario
as 1 episode, 2007
David Sontag
as 1 episode, 2007
Emily Blunt
as 4 episodes, 2006-2011
Norah Jones
as 2 episodes, 2010
Moon Bloodgood
as 5 episodes, 2009-2014
Norah O'Donnell
as 1 episode, 2009
Warren Sapp
as 1 episode, 2012
Speech
as 1 episode, 2006
Laila Ali
as 1 episode, 2005
Rachael Ray
as 5 episodes, 2008-2014
Jesse James
as 1 episode, 2006
Tina Brown
as 2 episodes, 2007-2010
Kaine
as 1 episode, 2006
Yvette Nicole Brown
as 2 episodes, 2014-2015
Jimmie Johnson
as 1 episode, 2010
Minka Kelly
as 1 episode, 2009
Olivia Wilde
as 1 episode, 2013
David Bianculli
as 1 episode, 2009
Chelsea Handler
as Herself - Guest / 5 episodes, 2008-2012
Ridley Pearson
as 1 episode, 2006
Denise Mina
as 2 episodes, 2006-2014
Jemaine Clement
as 1 episode, 2005
Ann Coulter
as 1 episode, 2005
Christian Finnegan
as 2 episodes, 2006-2014
Jen Kirkman
as 1 episode, 2008
Randy Couture
as 1 episode, 2007
Greta Van Susteren
as 1 episode, 2009
Demetri Martin
as 1 episode, 2005
Bob Schieffer
as 1 episode, 2005
Miranda Lambert
as Herself / 5 episodes, 2005-2014
Clay Aiken
as 1 episode, 2008
Chicago
as 1 episode, 2009
Tyler Perry
as Himself / 2 episodes, 2010-2012
Molly Prather
as Bond Girl / 5 episodes, 2005-2007
Bridget Marquardt
as 2 episodes, 2006
Soup
as 1 episode, 2006
David Sedaris
as Himself - Guest / 7 episodes, 2011-2014
Jennifer Carpenter
as Herself - Guest / 4 episodes, 2012-2014
Anohni
as 1 episode, 2009
Ben McKenzie
as Himself / 5 episodes, 2010-2015
Laura Margolis
as 1 episode, 2005
Jamie Hyneman
as 3 episodes, 2009-2010
Al Madrigal
as Himself / 2 episodes, 2008-2010
Paul Teutul Jr.
as 1 episode, 2007
Paul Teutul Sr.
as 1 episode, 2007
Zac Efron
as 1 episode, 2013
Rachel Bilson
as 3 episodes, 2008-2012
Olga Kurylenko
as 1 episode, 2013
Ryan Adams
as 1 episode, 2015
Carson Kressley
as Himself / 12 episodes, 2008-2014
Jennette McCurdy
as 1 episode, 2012
Sam Roberts
as 1 episode, 2006
Sharon Jones
as 4 episodes, 2009-2010
Anna Torv
as 2 episodes, 2010
Cory Kahaney
as Herself / 5 episodes, 2007-2012
Bradley Trevor Greive
as 1 episode, 2014
Alice Eve
as Herself / 5 episodes, 2010-2014
Mindy Kaling
as 10 episodes, 2009-2012
Demi Lovato
as 1 episode, 2013
Brooks McBeth
as 1 episode, 2012
Shantel VanSanten
as 1 episode, 2014
Jazmine Sullivan
as 1 episode, 2009
Jon Heder
as 2 episodes, 2007-2010
Mehcad Brooks
as 2 episodes, 2006
Chingy
as 1 episode, 2006
Nicole Richie
as 1 episode, 2014
Bubba Sparxxx
as 1 episode, 2006
Jess Weixler
as 1 episode, 2013
Britt Robertson
as 2 episodes, 2015
Evangeline Lilly
as 4 episodes, 2008-2013
Jim Parsons
as 12 episodes, 2008-2014
Anthony Hamilton
as 1 episode, 2006
Three 6 Mafia
as 1 episode, 2008
Megan Boone
as 1 episode, 2014
Papa Roach
as 1 episode, 2007
Andi Osho
as Herself - Guest / 3 episodes, 2013-2014
Gordon Ramsay
as 1 episode, 2009
The Crystal Method
as 1 episode, 2005
Good Charlotte
as 2 episodes, 2007
Floyd Mayweather Jr.
as 1 episode, 2007
Joel Stein
as Himself - Guest / 5 episodes, 2012-2015
Fiona Gubelmann
as 1 episode, 2012
Miss Piggy
as 1 episode, 2007
James Woolsey
as 1 episode, 2005
Channing Tatum
as 2 episodes, 2013
Alison Becker
as Herself - Guest / 5 episodes, 2010-2015
Robin Thicke
as Himself / 2 episodes, 2006
Ross Mathews
as 3 episodes, 2014-2015
Jerry Ferrara
as Himself - Guest / 3 episodes, 2010-2013
Chris O'Dowd
as 2 episodes, 2012
Gabriela Quintero Lopez
as 1 episode, 2006
Jamie Cullum
as 1 episode, 2005
Aaron Lewis
as 3 episodes, 2007
Sarge
as 1 episode, 2005
Gavin de Becker
as 1 episode, 2007
Láng Lang
as 1 episode, 2005
Rain Denise Wilson
as 1 episode, 2007
3 Doors Down
as 1 episode, 2012
Cirque du Soleil
as 1 episode, 2006
Gavin DeGraw
as 2 episodes, 2009
Ahna O'Reilly
as 1 episode, 2013
April Scott
as Mandy / 2 episodes, 2005
Tracy Bonham
as 1 episode, 2005
Paula Deen
as 3 episodes, 2010-2011
Fountains of Wayne
as Themselves / 2 episodes, 2005-2007
Alex Salmond
as 2 episodes, 2012
Joss Stone
as Herself / 6 episodes, 2005-2012
Eric L. Haney
as 1 episode, 2006
Jamie Chung
as Herself - Guest / 2 episodes, 2013-2014
Heart
as 1 episode, 2006
Chris Pine
as 1 episode, 2014
Matt Goss
as 1 episode, 2006
Hans Klok
as 1 episode, 2007
Richard Engel
as 1 episode, 2011
Angela Kinsey
as 19 episodes, 2007-2015
Lifehouse
as 2 episodes, 2005-2007
Lynyrd Skynyrd
as Himself / 5 episodes, 2007-2012
Alex O'Loughlin
as 2 episodes, 2007-2009
Darrin Rose
as Himself - Comedian / 2 episodes, 2014-2015
Nate Torrence
as 1 episode, 2005
David Armand
as 1 episode, 2005
Richard Ayoade
as 1 episode, 2014
Keke Palmer
as Herself / 8 episodes, 2006-2014
Nikki Boyer
as 1 episode, 2005
Alison Brie
as 3 episodes, 2010-2015
Ricky Hatton
as 1 episode, 2009
Ben Dukes
as Himself - Musical guest / 4 episodes, 2011-2013
Phoenix
as 1 episode, 2009
Cesar Millan
as 1 episode, 2015
Kaylee DeFer
as 1 episode, 2007
Jenna Dewan
as 1 episode, 2013
Jeannie Gaffigan
as Herself - Co-Hostess / 3 episodes, 2015
Alex Kapranos
as 1 episode, 2009
Fantasia Barrino
as 2 episodes, 2007
Ben Kweller
as 2 episodes, 2007-2009
Roger Lundblade
as 1 episode, 2005
Spoon
as 4 episodes, 2005-2008
Whitney Cummings
as 2 episodes, 2015
Cote de Pablo
as 1 episode, 2006
Phantom Planet
as 1 episode, 2008
Dan Cummings
as 1 episode, 2006
Rich Fields
as 1 episode, 2006
Rachael Taylor
as 1 episode, 2014
Adrianne Palicki
as 1 episode, 2010
Natasha Bedingfield
as Herself / 4 episodes, 2005-2008
Olivia Munn
as 3 episodes, 2011
Lauren Miller Rogen
as 1 episode, 2012
Frankie J.
as 1 episode, 2006
Katherine Jenkins
as 1 episode, 2012
Train
as 2 episodes, 2006
Dave Annable
as 1 episode, 2009
Lauren Bell
as Herself - Guest / 2 episodes, 2010-2013
Gene Pompa
as 2 episodes, 2006-2008
Jennifer Hudson
as 1 episode, 2007
They Might Be Giants
as Themselves / 3 episodes, 2007-2009
Meghan Markle
as 1 episode, 2013
Rodney Carrington
as 2 episodes, 2007-2009
Dierks Bentley
as Himself - Musical Guest / 5 episodes, 2005-2010
Tenacious D
as Themselves / 3 episodes, 2013-2014
Blake Shelton
as Himself / 4 episodes, 2007-2010
UB40
as 2 episodes, 2006
Criss Angel
as 2 episodes, 2007-2008
Dana DeLorenzo
as Beth / 15 episodes, 2012
Jill E. Alexander
as 1 episode, 2005
Garrett Dutton
as 1 episode, 2005
Kathleen Edwards
as 1 episode, 2005
Natasha Leggero
as 1 episode, 2015
Hanson
as 1 episode, 2007
Ted Alexandro
as Himself / 7 episodes, 2005-2014
Ali Costello
as 1 episode, 2005
Jason Wade
as 1 episode, 2005
Eric Gores
as 1 episode, 2005
Gary Gulman
as 1 episode, 2007
Def Leppard
as 1 episode, 2006
Justin Willman
as 2 episodes, 2015
John Banzhaf
as 1 episode, 2005
Jarod Miller
as 1 episode, 2008
Lauren Cohan
as 3 episodes, 2014
Carey Mulligan
as 5 episodes, 2010-2011
Franz Ferdinand
as 2 episodes, 2005-2009
Trombone Shorty
as 1 episode, 2011
James Blake
as 1 episode, 2006
Michael Irvin
as 3 episodes, 2009-2014
Goo Goo Dolls
as Themselves - Musical Guest / 2 episodes, 2011-2013
Maria Bartiromo
as 1 episode, 2005
Ne-Yo
as Himself / 5 episodes, 2006-2007
Game
as 1 episode, 2007
Kari Byron
as 1 episode, 2010
Lee Child
as 1 episode, 2006
Alexander McCall Smith
as 1 episode, 2006
Shooter Jennings
as Himself / 2 episodes, 2005-2006
Sara Bareilles
as Herself - Guest / 4 episodes, 2007-2013
Rosemarie DeWitt
as 2 episodes, 2009
Nina Bergman
as Ashley / 4 episodes, 2005
Joe Zimmerman
as 1 episode, 2013
Dawn Olivieri
as 1 episode, 2014
Patrick Kane
as 1 episode, 2008
D. Roc
as 1 episode, 2006
The Donnas
as 1 episode, 2005
Joe DeVito
as 1 episode, 2008
Baby Bash
as 1 episode, 2006
Marina Franklin
as 1 episode, 2011
Jonah Hill
as 5 episodes, 2007-2013
AnnaLynne McCord
as 1 episode, 2008
Sebastian Maniscalco
as 3 episodes, 2006-2008
Jayma Mays
as Herself / 5 episodes, 2010-2014
Ciara
as 1 episode, 2006
Adam Gontier
as 1 episode, 2006
Barry Stock
as 1 episode, 2006
Neil Sanderson
as 1 episode, 2006
Brad Walst
as 1 episode, 2006
Nellie McKay
as Herself - Musical Guest / 5 episodes, 2005-2010
Aron Ralston
as 1 episode, 2005
Brooke Hogan
as 1 episode, 2006
Matt Smith
as Himself / 6 episodes, 2010-2013
Jon Thor Birgisson
as 1 episode, 2010
Roger Lay Jr.
as 1 episode, 2006
Paula Patton
as 1 episode, 2008
Blaine Saunders
as 1 episode, 2005
Jody Williams
as 1 episode, 2010
Darryl Worley
as 1 episode, 2007
Jo Frost
as 1 episode, 2011
Cat Cora
as 5 episodes, 2011-2015
Natalie Dormer
as 1 episode, 2013
My Morning Jacket
as 1 episode, 2005
Reggie De Leon
as 1 episode, 2007
Collective Soul
as Themselves / 2 episodes, 2005-2008
Alona Tal
as 1 episode, 2013
John Legend
as 1 episode, 2015
Brit Marling
as Herself - Guest / 3 episodes, 2012-2014
Imogen Poots
as 1 episode, 2014
Nick Griffin
as 5 episodes, 2006-2012
Ray LaMontagne
as 1 episode, 2009
KT Tunstall
as 2 episodes, 2007
James Dyson
as 1 episode, 2010
Vicente Fox
as 1 episode, 2007
Troy Gentile
as 1 episode, 2005
Nina Garcia
as 1 episode, 2009
Lisa Landry
as 2 episodes, 2009
Nick Kroll
as 1 episode, 2015
Kip Madsen
as Various Characters / 141 episodes, 2005
Interpol
as 1 episode, 2005
Van Hunt
as 1 episode, 2006
Eva Marcille
as 1 episode, 2006
Tom Cotter
as 2 episodes, 2013
Big & Rich
as 2 episodes, 2006
John Rich
as Himself / 3 episodes, 2006-2007
Wendy Williams
as 1 episode, 2011
Zoe Lister-Jones
as 1 episode, 2014
Ben Smith
as 1 episode, 2006
Josh Bernstein
as 1 episode, 2006
Missy Higgins
as 1 episode, 2005
Brian Scott McFadden
as 2 episodes, 2010
Ricky Wilson
as 1 episode, 2005
Nada Surf
as 1 episode, 2005
Gillian Jacobs
as Herself / 4 episodes, 2009-2014
Cowboy Troy
as Himself - Interviewee / 1 episode, 2006
Brandi Carlile
as 1 episode, 2012
Modest Mouse
as 2 episodes, 2007
Matt Serra
as 1 episode, 2007
Melissa Rauch
as 4 episodes, 2011-2014
Jermaine Fowler
as 1 episode, 2014
Mark Zupan
as 1 episode, 2005
Madeleine Peyroux
as Herself / 2 episodes, 2005-2009
Tourie Escobar
as 1 episode, 2005
Bo Bice
as 1 episode, 2006
Janneke Williamson
as 1 episode, 2009
Mario Vazquez
as 1 episode, 2006
Jo Nesbø
as 1 episode, 2013
Akon
as 2 episodes, 2006
Kasabian
as 1 episode, 2005
Ozomatli
as 1 episode, 2007
Damien Escobar
as 1 episode, 2005
Dianna Agron
as 1 episode, 2013
Matisyahu
as 1 episode, 2005
Dean Karnazes
as 1 episode, 2005
Allison DuBois
as 1 episode, 2005
Olivia Thirlby
as 1 episode, 2008
Kos
as 2 episodes, 2005-2007
Phil Laak
as 1 episode, 2005
Jeannette Walls
as 1 episode, 2010
Matthew Polly
as 1 episode, 2005
Dinosaur Jr.
as 2 episodes, 2005-2007
James Adomian
as George W. Bush / 49 episodes, 2005-2007
John Hodgman
as 1 episode, 2011
Mike Birbiglia
as 2 episodes, 2005-2009
Sutton Foster
as 4 episodes, 2012-2013
Metric
as 1 episode, 2009
Raul Midon
as Himself / 2 episodes, 2005-2007
Carl Edwards
as Himself / 8 episodes, 2006-2014
Andrew Bird
as 1 episode, 2009
Angélica Celaya
as 1 episode, 2014
Simply Red
as 1 episode, 2007
Sanjay Gupta
as Himself - Guest / 7 episodes, 2005-2013
DJ Nu-Mark
as 1 episode, 2006
Cohl Kenneth Love
as 1 episode, 2005
Hannah Simone
as 1 episode, 2012
Toni Trucks
as 1 episode, 2014
Tyler James Williams
as 1 episode, 2005
Matt Skiba
as 1 episode, 2006
Josh Wolf
as 2 episodes, 2013-2014
Mike Huckabee
as Himself / 3 episodes, 2005-2008
Tessa Thompson
as Herself - Guest / 2 episodes, 2014-2015
Richard Quest
as Himself - CNN Anchor / 2 episodes, 2014
T.I.
as Himself - Interviewee / 1 episode, 2006
Death Cab for Cutie
as Themselves / 2 episodes, 2008-2015
Kaiser Chiefs
as 1 episode, 2005
M. Ward
as Himself / 4 episodes, 2006-2010
Aidan Gould
as 1 episode, 2005
Mike Jones
as 1 episode, 2005
Teresa Palmer
as 2 episodes, 2011-2013
Quinton 'Rampage' Jackson
as Himself - Guest / 4 episodes, 2010-2014
Robin Arcuri
as 1 episode, 2006
Kendra Wilkinson
as 2 episodes, 2006
The All-American Rejects
as 2 episodes, 2006-2009
Jasmine Dustin
as 1 episode, 2008
Ty Barnett
as 1 episode, 2005
John Green
as 1 episode, 2013
Jenna Coleman
as 1 episode, 2013
Rihanna
as 1 episode, 2005
Krizia Bajos
as 1 episode, 2005
Casey Wilson
as 3 episodes, 2011-2013
Jared Diamond
as 1 episode, 2005
Ami James
as 1 episode, 2007
Mercedes Mason
as 1 episode, 2012
Sara Watkins
as Herself - Guest / 2 episodes, 2010-2012
David Feherty
as Himself / 3 episodes, 2005-2013
Thirty Seconds to Mars
as 1 episode, 2005
Hayley Atwell
as 3 episodes, 2011
Annie Duke
as Herself / 2 episodes, 2006-2011
Matt Kirshen
as 4 episodes, 2011-2012
Lamorne Morris
as 1 episode, 2012
OK Go
as Themselves - Musical Guest / 4 episodes, 2006-2015
June Diane Raphael
as 1 episode, 2012
Andrea Riseborough
as 2 episodes, 2012-2013
Bone Thugs n Harmony
as Musical Guest / 1 episode, 2007
Marysol Castro
as 1 episode, 2010
The Charlatans
as 1 episode, 2006
The Bacon Brothers
as 1 episode, 2014
Corinne Bailey Rae
as Herself - Musical Guest / 3 episodes, 2006-2010
Jamie Lidell
as Himself / 4 episodes, 2006-2008
Arctic Monkeys
as 1 episode, 2009
Editors
as Musical Guest / 1 episode, 2006
Windell Middlebrooks
as 2 episodes, 2011-2013
Rodney Laney
as 1 episode, 2007
Daniela Ruah
as 3 episodes, 2010-2012
Yvonne Strahovski
as 1 episode, 2007
Gerry Dee
as 2 episodes, 2012
Paul Wall
as Himself / 2 episodes, 2006-2007
Reggie Bush
as 1 episode, 2006
Phoebe Tonkin
as 1 episode, 2012
Bradley Laise
as John Tesh / 16 episodes, 2007-2011
Nicola Benedetti
as 1 episode, 2013
Drew Brees
as 1 episode, 2013
The National
as Themselves / 2 episodes, 2007-2010
Tim Gunn
as Himself / 9 episodes, 2008-2011
Candice King
as 2 episodes, 2013-2014
The Subways
as 1 episode, 2006
Angela Daun
as 1 episode, 2007
Lupita Nyong'o
as 1 episode, 2013
Maria Zyrianova
as 1 episode, 2007
Jake Johnson
as 1 episode, 2011
Natalie Walker
as 1 episode, 2007
North Mississippi Allstars
as 1 episode, 2008
Rutina Wesley
as 2 episodes, 2011-2012
Steve Byrne
as 2 episodes, 2006-2015
Jack's Mannequin
as 1 episode, 2006
Nathan Sawaya
as 1 episode, 2006
Martha Kelly
as 1 episode, 2005
Taylor Hicks
as 2 episodes, 2014
Kellie Pickler
as Herself - Musical Guest / 3 episodes, 2013
Panic! at the Disco
as 1 episode, 2014
Toonyun
as 1 episode, 2009
Adele
as 2 episodes, 2008-2009
Shinedown
as 1 episode, 2006
Cristela Alonzo
as 1 episode, 2013
Léa Seydoux
as 1 episode, 2014
Eliza Coupe
as Herself - Guest / 3 episodes, 2011
Donald Glover
as 5 episodes, 2010
Little Big Town
as Themselves / 2 episodes, 2008-2011
Lachlan Patterson
as 1 episode, 2015
Jason Aldean
as Himself - Musical Guest / 5 episodes, 2006-2011
The Wreckers
as 1 episode, 2006
Eddie Pence
as 1 episode, 2007
Pau Gasol
as Himself / 3 episodes, 2011-2013
Emily Wickersham
as 1 episode, 2013
Tony Gonzalez
as 2 episodes, 2007
Taylor Schilling
as 1 episode, 2013
Matt Braunger
as 1 episode, 2011
Adhir Kalyan
as 3 episodes, 2010-2013
Sam Tripoli
as 1 episode, 2007
Dan Cummins
as 1 episode, 2006
Baron Vaughn
as 1 episode, 2013
Charlyne Yi
as 2 episodes, 2010
Three Days Grace
as Musical Guest / 2 episodes, 2006-2007
Derrick Pitts
as Himself / 4 episodes, 2009-2015
Nathan Danforth
as 1 episode, 2009
Rebel Wilson
as 1 episode, 2011
Anna Camp
as 1 episode, 2013
Mike Young
as 1 episode, 2006
Steve Hofstetter
as 1 episode, 2008
Claire Holt
as 1 episode, 2014
Josh Blue
as 1 episode, 2013
Band of Horses
as 1 episode, 2010
Amanda Palmer
as 1 episode, 2011
Elizabeth Cook
as 1 episode, 2011
Thomas Ricks
as 1 episode, 2007
Michelle Buteau
as 1 episode, 2012
Dev Patel
as 1 episode, 2009
Charlotte Cooper
as 1 episode, 2006
Josh Morgan
as 1 episode, 2006
Ben Schwartz
as Himself / 5 episodes, 2013-2015
Greg Warren
as Himself / 4 episodes, 2006-2015
Billy Lunn
as 1 episode, 2006
Nathan Fielder
as 1 episode, 2013
T-Pain
as 1 episode, 2006
Paula DeAnda
as 1 episode, 2006
Damian Kulash
as 1 episode, 2006
Craig Morgan
as 1 episode, 2007
The Black Keys
as 1 episode, 2010
Rob Stewart
as 1 episode, 2010
Rodney Atkins
as 2 episodes, 2006-2007
Anya Monzikova
as 6 episodes, 2012
Karen Gillan
as 5 episodes, 2011-2013
Christopher Mintz-Plasse
as 1 episode, 2008
Brooklyn Decker
as 2 episodes, 2011-2014
Roy Wood Jr.
as 1 episode, 2007
Lupe Fiasco
as 1 episode, 2008
Will Dailey
as 1 episode, 2009
Rodrigo y Gabriela
as 2 episodes, 2006-2009
Georgia King
as 1 episode, 2013
The Decemberists
as 1 episode, 2009
Twisted Sister
as 1 episode, 2006
Michael Glazer
as Dancing Bear / 3 episodes, 2015
Anousheh Ansari
as 1 episode, 2006
Lisa Joyce
as 1 episode, 2014
Gina Carano
as 2 episodes, 2008-2014
Dan Konopka
as 1 episode, 2006
Hana Mae Lee
as 1 episode, 2012
Hellogoodbye
as 1 episode, 2007
Forrest Kline
as Guitar / 1 episode, 2007
Sabrina Morris
as 1 episode, 2008
Markéta Irglová
as 1 episode, 2007
Jeff Applebaum
as 1 episode, 2007
Kunal Nayyar
as Himself / 15 episodes, 2009-2015
Miranda Kerr
as 1 episode, 2012
Plain White T's
as 1 episode, 2006
Kellie Corbett
as 1 episode, 2009
John Novosad
as Himself / 2 episodes, 2006-2010
Lena Dunham
as 4 episodes, 2010-2015
Cold War Kids
as 2 episodes, 2007-2008
Owen Benjamin
as Himself / 2 episodes, 2015
Cash Levy
as Himself / 2 episodes, 2007
Steve Wiebe
as 1 episode, 2008
Jessica McNamee
as 1 episode, 2014
Paula Van Oppen
as 1 episode, 2011
Phil Plait
as 1 episode, 2012
Daughtry
as 1 episode, 2007
Montgomery Gentry
as 1 episode, 2007
Melissa Benoist
as 1 episode, 2013
Brady Quinn
as 1 episode, 2007
Blake Lewis
as 2 episodes, 2008
T.J. Miller
as 2 episodes, 2014
Savannah Rae Linz
as 1 episode, 2009
Eiza González
as 1 episode, 2014
The Red Jumpsuit Apparatus
as 1 episode, 2007
Bobby Miyamoto
as 2 episodes, 2007-2008
Josh Robert Thompson
as Geoff Peterson / 483 episodes, 2005-2015
Barry Rothbart
as 1 episode, 2013
Dr. Dog
as Themselves / 4 episodes, 2007-2010
Ellie Kemper
as Herself - Guest / 8 episodes, 2010-2014
Jackson Mcqueen
as 1 episode, 2015
Mo Mandel
as 1 episode, 2007
Tokyo Police Club
as 1 episode, 2008
Shaun Lyon
as 1 episode, 2011
Theresa Andersson
as 1 episode, 2009
David Pogue
as 1 episode, 2011
The Avett Brothers
as 1 episode, 2009
Kate Nash
as 1 episode, 2008
Tom Segura
as 1 episode, 2014
Giota Trakas
as 2 episodes, 2008
Rory Scovel
as 1 episode, 2012
Ginger Gonzaga
as 1 episode, 2014
Grizzly Bear
as 1 episode, 2008
Chrisette Michele
as 1 episode, 2007
Rebecca Zamolo
as Herself - Various / 6 episodes, 2010
Kat DeLuna
as 1 episode, 2007
Kevin Fitzgerald
as 3 episodes, 2007
Andrew Burlinson
as 1 episode, 2007
Robert Glasper
as 1 episode, 2015
José Andrés
as 3 episodes, 2009-2010
Taylor Williamson
as 2 episodes, 2007
Emily Fox
as 1 episode, 2007
Will Marfori
as 1 episode, 2007
Eric André
as 1 episode, 2015
OneRepublic
as 1 episode, 2009
Ingrid Michaelson
as 1 episode, 2014
Nicole Atkins
as 1 episode, 2008
Lee Brice
as 1 episode, 2012
Christian Siriano
as 1 episode, 2008
Katlin Mastandrea
as 1 episode, 2012
Annaleigh Ashford
as 1 episode, 2014
Lisa Masterson
as 5 episodes, 2008-2012
Inbar Lavi
as 1 episode, 2014
Ed Weeks
as 2 episodes, 2013-2014
Luke Bryan
as 1 episode, 2010
Gabourey Sidibe
as 1 episode, 2010
Miracle Laurie
as 1 episode, 2010
Scott Kelly
as 1 episode, 2007
Daniel Sobieray
as 1 episode, 2012
Jes Macallan
as 1 episode, 2013
Lizzy Cooperman
as 1 episode, 2007
Terry Fator
as 2 episodes, 2012
Scott Ford
as 1 episode, 2009
Hannibal Buress
as 1 episode, 2007
Parker Young
as 1 episode, 2011
Laura Lippman
as Herself / 3 episodes, 2009-2011
MGMT
as Themselves / 2 episodes, 2008-2010
Patrick Pedraja
as Himself / 2 episodes, 2008-2009
Tony Deyo
as 2 episodes, 2014
Andy Hendrickson
as 1 episode, 2014
James Johann
as 1 episode, 2008
Vampire Weekend
as 2 episodes, 2010
Miranda Christine
as 1 episode, 2008
Duffy
as 1 episode, 2008
The Dap-Kings
as 4 episodes, 2009-2010
Freida Pinto
as 1 episode, 2009
Brad Goreski
as 5 episodes, 2012-2014
Claude Stuart
as 1 episode, 2008
Richard Zoglin
as 1 episode, 2009
Bérénice Marlohe
as 1 episode, 2012
Dave Haywood
as 1 episode, 2008
Tyler Matthew Davis
as 1 episode, 2008
Lanette Fugit Hannah
as 2 episodes, 2007
The Ting Tings
as 1 episode, 2008
Bridget Everett
as Herself - Musical Guest / 2 episodes, 2015
Conor Oberst
as 2 episodes, 2008
Bengt Washburn
as 1 episode, 2008
Eloise Mumford
as 1 episode, 2012
Myq Kaplan
as Himself / 4 episodes, 2010-2013
Tone Bell
as 1 episode, 2013
Emma Chandler
as 1 episode, 2011
Adam Ray
as Himself - Guest / 3 episodes, 2013-2014
Lance Morrow
as 2 episodes, 2008
Leanne Marshall
as 1 episode, 2008
Ryan Sickler
as 2 episodes, 2007-2008
Steven Yeun
as 2 episodes, 2013
Brittany Mason
as 1 episode, 2013
Nick Cobb
as 1 episode, 2013
Sarah Palin
as 1 episode, 2007
Dobie Maxwell
as 1 episode, 2009
Chris Voth
as 1 episode, 2014
Cody Horn
as 1 episode, 2012
Sloane Crosley
as Herself - Guest / 6 episodes, 2010-2014
Charles Hamilton
as 1 episode, 2008
J.R. Martinez
as Himself / 2 episodes, 2012-2013
Jeff Glor
as 1 episode, 2010
Kit Harington
as 1 episode, 2014
Tucker Albrizzi
as The Critic / 2 episodes, 2008-2009
Kurt Metzger
as 1 episode, 2011
Ed Sheeran
as Himself / 2 episodes, 2015
Jillian Bell
as 2 episodes, 2015
Zac Brown Band
as 2 episodes, 2009
Erin McCarley
as 1 episode, 2009
She & Him
as 2 episodes, 2008-2010
Alex Sgambati
as 7 episodes, 2011-2012
Martellus Bennett
as 1 episode, 2015
Brendon Walsh
as 1 episode, 2015
Irina Shayk
as 1 episode, 2014
Paul Borst
as 1 episode, 2012
Bridger Winegar
as Himself - Production Assistant / 16 episodes, 2010-2011
Nanna Øland Fabricius
as 1 episode, 2011
Beth Behrs
as Herself - Guest / 4 episodes, 2011-2015
Erik Ekstrand
as 1 episode, 2011
Jonathan Doh
as 1 episode, 2009
Michael Massimino
as Himself - Guest / 5 episodes, 2009-2012
Tammy To
as 1 episode, 2010
Brett Dalton
as 1 episode, 2014
Coco Rocha
as 2 episodes, 2013
Michael Palascak
as 2 episodes, 2011-2013
Ana Lenchantin
as 1 episode, 2005
Kumail Nanjiani
as 1 episode, 2015
Michelle Brooke
as 1 episode, 2009
Mats Roger Edlund
as 1 episode, 2011
Ariel Tweto
as Herself - Guest / 16 episodes, 2011-2014
Alexandra DiNovi
as 1 episode, 2009
Angie Papanikolas
as 1 episode, 2010
Marina Lambrini Diamandis
as 1 episode, 2010
Naturally 7
as 1 episode, 2009
Alexis Knapp
as 1 episode, 2013
James Galea
as 1 episode, 2014
Lucia Micarelli
as 1 episode, 2009
Laura Izibor
as 1 episode, 2009
Dan Riskin
as Himself - Guest / 8 episodes, 2010-2015
Myron Mixon
as 2 episodes, 2010
Gwendoline Christie
as 1 episode, 2014
Daniel Sloss
as 1 episode, 2014
Esther Povitsky
as Herself - Comedian / 2 episodes, 2013-2015
Local Natives
as 1 episode, 2010
Mumford & Sons
as 1 episode, 2010
Ryan Hamilton
as 1 episode, 2015
DeAnne Smith
as 1 episode, 2013
Bubba Watson
as 1 episode, 2014
Dawes
as 1 episode, 2010
Becca Tobin
as 1 episode, 2013
Jane Levy
as Herself / 2 episodes, 2013-2014
Hannah New
as 1 episode, 2014
Chloe Bennet
as 1 episode, 2014
Lissie
as 1 episode, 2013
Allison Williams
as 1 episode, 2013
Chay Alexander Wright
as 1 episode, 2005
Tracy Wolfson
as 1 episode, 2015
Ben Hague
as 1 episode, 2012
Jan Davidson
as 1 episode, 2008
Thomas Dale
as 1 episode, 2012
William Mortensen Vaughan
as 5 episodes, 2012-2013
Paul McDonald
as 1 episode, 2012
Sonya Rome
as 1 episode, 2010
Elizabeth Henstridge
as 1 episode, 2014
Foster the People
as 1 episode, 2011
Mackenzie Davis
as 1 episode, 2014
Sarah Jarosz
as 1 episode, 2014
Markus Persson
as 1 episode, 2013
Theresa Caputo
as 1 episode, 2012
Richard Robert Krause Jr.
as 1 episode, 2010
Margaret Judson
as 1 episode, 2012
Frankie Ballard
as 1 episode, 2011
Allen Stone
as 1 episode, 2012
Brooke van Poppelen
as 1 episode, 2014
Rich Redmond
as 5 episodes, 2006-2011
JR JR
as 1 episode, 2013
2Cellos
as 1 episode, 2014
Marcus Bradford
as 2 episodes, 2014
Ramin Nazir
as 1 episode, 2012
Geoff Tate
as 1 episode, 2012
LP
as 2 episodes, 2012-2014
Trampled by Turtles
as 2 episodes, 2012
Lianne La Havas
as 1 episode, 2012
ZZ Ward
as 1 episode, 2014
Gabe Lustman
as 1 episode, 2006
Jake Bugg
as 1 episode, 2014
The Lone Bellow
as 1 episode, 2013
Laura Mvula
as 1 episode, 2013
Brittany Brousseau
as 6 episodes, 2012
Don DiPetta
as 1 episode, 2015
Cameron Esposito
as 1 episode, 2013
A Great Big World
as 1 episode, 2014
Jesse Peterson
as 2 episodes, 2006
Jorga Caye
as 1 episode, 2013
Roddy Hart
as Himself / 6 episodes, 2014
Dave Itzkoff
as 1 episode, 2014
Jacqueline Toboni
as 1 episode, 2014
St. Paul & the Broken Bones
as 1 episode, 2014
Alingon Mitra
as 1 episode, 2014
Megan Ferguson
as 1 episode, 2014
Justin Flom
as 1 episode, 2015
Gary Martin
as 1 episode, 2013
Laila Lalami
as 1 episode, 2014
Hannah Rutherford
as 1 episode, 2013
Casey Zwicker
as 1 episode, 2015
Ryan Xie
as 1 episode, 2015
Christian Maier Smith
as 1 episode, 2005
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