| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Julius Sharpe | Crew | Writing | Writer | 76 |
 Adam Carolla | Cast | Actor | Self | 1 |
 Adam Goldberg | Cast | Actor | Self | 1 |
 Adam West | Cast | Actor | Self | 1 |
 Al Franken | Cast | Actor | Self | 5 |
 Alessandro Nivola | Cast | Actor | Self - Guest | 1 |
 Alex Meneses | Cast | Actress | Self | 1 |
 Alexis Bledel | Cast | Actress | Self | 1 |
 Alice Cooper | Cast | Actor | Self | 2 |
 Alison Eastwood | Cast | Actress | Self - Guest | 1 |
 Alyson Hannigan | Cast | Actress | Self - Guest | 1 |
 Amy Brenneman | Cast | Actress | Self - Guest | 2 |
 Anastacia | Cast | Actress | Self - Guest | 1 |
 Andrew Dice Clay | Cast | Actor | Self | 1 |
 Andy Dick | Cast | Actor | Self | 5 |
 Anna Nicole Smith | Cast | Actress | Self | 1 |
 Ashley Judd | Cast | Actress | Self - Guest | 1 |
 Asia Argento | Cast | Actress | Self | 1 |
 Bebe Neuwirth | Cast | Actress | Self - Guest | 1 |
 Ben Affleck | Cast | Actor | Self | 3 |
 Ben Stein | Cast | Actor | Self | 5 |
 Bianca Lawson | Cast | Actress | Self | 1 |
 Bic Runga | Cast | Self | 1 | |
 Bill Bellamy | Cast | Actor | Self | 1 |
 Bill Pullman | Cast | Actor | Self | 2 |
 Bob Saget | Cast | Actor | Self - Guest | 1 |
 Boz Scaggs | Cast | Actor | Self | 1 |
 Bridget Fonda | Cast | Actress | Self - Guest | 1 |
 Brooke Burns | Cast | Actress | Self | 1 |
 Buddy Hackett | Cast | Actor | Self | 2 |
 Carl Reiner | Cast | Actor | Self - Guest | 2 |
 Carla Gugino | Cast | Actress | Self | 1 |
 Carmen Electra | Cast | Actress | Self - Guest | 5 |
 Charisma Carpenter | Cast | Actress | Self | 2 |
 Chris Isaak | Cast | Actor | Self | 2 |
 Christian Bale | Cast | Actor | Self - Guest | 1 |
 Christina Ricci | Cast | Actress | Self - Guest | 1 |
 Christine Baranski | Cast | Actress | Self | 1 |
 Christine Lahti | Cast | Actress | Self - Guest | 1 |
 Clint Black | Cast | Actor | Self | 1 |
 Clint Eastwood | Cast | Actor | Self - Guest | 2 |
 Cole Hauser | Cast | Actor | Self | 1 |
 Colleen Haskell | Cast | Actress | Self | 1 |
 Connie Nielsen | Cast | Actress | Self - Guest | 1 |
 Coolio | Cast | Actor | Self | 1 |
 Craig David | Cast | Actor | Self | 1 |
 Craig Ferguson | Cast | Actor | Self - Guest | 1 |
 Craig Kilborn | Cast | Actor | Self - Host | 304 |
 Cybill Shepherd | Cast | Actress | Self - Guest | 1 |
 Cyndi Lauper | Cast | Actress | Self - Guest | 1 |
 Page Falkinburg Jr. | Cast | Actor | Self | 1 |
 Damon Wayans | Cast | Actor | Self | 1 |
 Dana Delany | Cast | Actress | Self - Guest | 1 |
 Dane Cook | Cast | Actor | Self | 2 |
 Dave Grohl | Cast | Actor | Self | 3 |
Dave Winfield | Cast | Self | 1 | |
 David Boreanaz | Cast | Actor | Self | 1 |
 David Cassidy | Cast | Actor | Self | 1 |
 David Hyde Pierce | Cast | Actor | Self - Guest | 1 |
Delbert McClinton | Cast | Self | 1 | |
 Dennis Farina | Cast | Actor | Self | 1 |
 Dennis Franz | Cast | Actor | Self | 2 |
 Dennis Rodman | Cast | Actor | Self - Guest | 1 |
 Diana Krall | Cast | Actress | Self | 1 |
 Drew Carey | Cast | Actor | Self - Guest | 1 |
 Elisa Donovan | Cast | Actress | Self | 1 |
 Elizabeth Berkley | Cast | Actress | Self - Guest | 1 |
 Elizabeth Perkins | Cast | Actress | Self - Guest | 1 |
 Eric McCormack | Cast | Actor | Self - Guest | 1 |
 Eric Szmanda | Cast | Actor | Self | 1 |
 Erik Palladino | Cast | Actor | Self - Guest | 1 |
 Estella Warren | Cast | Actress | Self | 1 |
 Famke Janssen | Cast | Actress | Self | 1 |
 Farrah Fawcett | Cast | Actress | Self - Guest | 2 |
 Freddie Prinze Jr. | Cast | Actor | Self | 1 |
 Garry Marshall | Cast | Actor | Self - Guest | 1 |
 Gavin Rossdale | Cast | Actor | Self | 1 |
 Gena Lee Nolin | Cast | Actress | Self | 1 |
 George Clooney | Cast | Actor | Self - Guest | 1 |
 George Lopez | Cast | Actor | Self | 1 |
 Gina Philips | Cast | Actress | Self - Guest | 1 |
 Hayden Christensen | Cast | Actor | Self | 1 |
 Heather Dubrow | Cast | Actress | Self | 1 |
 Hector Elizondo | Cast | Actor | Self | 1 |
 Ice Cube | Cast | Actor | Self - Guest | 3 |
 Illeana Douglas | Cast | Actress | Self - Guest | 1 |
 J.C. Brandy | Cast | Actress | Self | 1 |
 Jacinda Barrett | Cast | Actress | Self - Guest | 1 |
 Jacqueline Bisset | Cast | Actress | Self | 1 |
 Jaime Bergman | Cast | Actress | Self | 1 |
 James Cromwell | Cast | Actor | Self - Guest | 1 |
 James Marsden | Cast | Actor | Self - Guest | 1 |
 Jami Gertz | Cast | Actress | Self | 1 |
 Janeane Garofalo | Cast | Actress | Self | 1 |
 Jason Alexander | Cast | Actor | Self - Guest | 1 |
 Jason Ritter | Cast | Actor | Self | 2 |
 Jeffrey Tambor | Cast | Actor | Self | 2 |
 Jennifer Esposito | Cast | Actress | Self - Guest | 1 |
 Jennifer Garner | Cast | Actress | Self - Guest | 1 |
 Jeremy Piven | Cast | Actor | Self - Guest | 1 |
 Jeri Ryan | Cast | Actress | Self | 2 |
 Jerri Manthey | Cast | Actress | Self | 1 |
 Jerry O'Connell | Cast | Actor | Self | 1 |
 Jessica Simpson | Cast | Actress | Self | 1 |
 Jewel | Cast | Actress | Self | 1 |
 Jim Belushi | Cast | Actor | Self - Guest | 2 |
 James 'Jimmy Jam' Harris III | Cast | Actor | Self | 1 |
 Jimmy Kimmel | Cast | Actor | Self | 2 |
 Joely Fisher | Cast | Actress | Self | 1 |
 John Cleese | Cast | Actor | Self | 1 |
 John Corbett | Cast | Actor | Self - Guest | 1 |
 John Larroquette | Cast | Actor | Self | 1 |
 Jon Favreau | Cast | Actor | Self | 3 |
 Jon Voight | Cast | Actor | Self - Guest | 1 |
 Jonathan Lipnicki | Cast | Actor | Self | 1 |
 Jonathan Silverman | Cast | Actor | Self | 1 |
 Juliette Lewis | Cast | Actress | Self - Guest | 1 |
 Kaley Cuoco | Cast | Actress | Self - Guest | 1 |
 Kari Wuhrer | Cast | Actress | Self | 2 |
 Kate Mulgrew | Cast | Actress | Self - Guest | 2 |
 Katey Sagal | Cast | Actress | Self | 1 |
 Kathy Kinney | Cast | Actress | Self | 1 |
 Keb' Mo' | Cast | Actor | Self | 1 |
 Kelli Williams | Cast | Actress | Self - Guest | 2 |
 Kelly Hu | Cast | Actress | Self | 1 |
 Kevin Bacon | Cast | Actor | Self - Guest | 1 |
 Kevin James | Cast | Actor | Self - Guest | 4 |
 Kevin Nealon | Cast | Actor | Self | 1 |
 Kevin Pollak | Cast | Actor | Self - Guest | 1 |
 Kim Delaney | Cast | Actress | Self | 1 |
 Kirsten Dunst | Cast | Actress | Self - Guest | 3 |
 Kristin Davis | Cast | Actress | Self - Guest | 1 |
 Laetitia Casta | Cast | Actress | Self - Guest | 1 |
 Lauren Ambrose | Cast | Actress | Self - Guest | 1 |
 Lauren Graham | Cast | Actress | Self - Guest | 1 |
 Lea Thompson | Cast | Actress | Self - Guest | 1 |
 Leah Remini | Cast | Actress | Self - Guest | 2 |
 Leslie Nielsen | Cast | Actor | Self | 1 |
 Lou Diamond Phillips | Cast | Actor | Self | 3 |
 Luke Perry | Cast | Actor | Self - Guest | 1 |
 Majandra Delfino | Cast | Actress | Self | 1 |
 Malcolm McDowell | Cast | Actor | Self - Guest | 1 |
Mark Burnett | Cast | Actor | Self | 1 |
 Martin Mull | Cast | Actor | Self | 7 |
 Mary McCormack | Cast | Actress | Self - Guest | 2 |
 Maz Jobrani | Cast | Actor | Self | 1 |
 Meat Loaf | Cast | Actor | Self | 1 |
 Megyn Price | Cast | Actress | Self | 1 |
 Melanie Chisholm | Cast | Actress | Self | 1 |
 Melissa George | Cast | Actress | Self - Guest | 1 |
 Melissa Joan Hart | Cast | Actress | Self - Guest | 1 |
 Melissa Peterman | Cast | Actress | Self | 1 |
 Mena Suvari | Cast | Actress | Self | 1 |
 Michael Boatman | Cast | Actor | Self | 1 |
 Michael Ian Black | Cast | Actor | Self - Guest | 1 |
 Michael Rosenbaum | Cast | Actor | Self | 2 |
 Mimi Rogers | Cast | Actress | Self - Guest | 1 |
 Ming-Na Wen | Cast | Actress | Self - Guest | 1 |
 Mira Sorvino | Cast | Actress | Self - Guest | 1 |
 Natasha Gregson Wagner | Cast | Actress | Self | 1 |
 Natasha Henstridge | Cast | Actress | Self | 2 |
 Padma Lakshmi | Cast | Actress | Self | 1 |
 Pam Grier | Cast | Actress | Self - Guest | 1 |
 Patricia Heaton | Cast | Actress | Self - Guest | 2 |
 Paul Rudd | Cast | Actor | Self - Guest | 1 |
 Paul Sorvino | Cast | Actor | Self - Guest | 1 |
 Paula Abdul | Cast | Actress | Self | 2 |
 Paulina Rubio | Cast | Actress | Self - Guest | 1 |
 Pauly Shore | Cast | Actor | Self | 5 |
 Peter Boyle | Cast | Actor | Self | 1 |
 Peter Fonda | Cast | Actor | Self - Guest | 1 |
 Piper Perabo | Cast | Actress | Self | 1 |
 Poppy Montgomery | Cast | Actress | Self - Guest | 1 |
 Ray Romano | Cast | Actor | Self - Guest | 3 |
 Reba McEntire | Cast | Actress | Self - Guest | 1 |
 Reggie Miller | Cast | Actor | Self | 1 |
Sable | Cast | 1 | ||
 Richard T. Jones | Cast | Actor | Self | 1 |
 Robert Evans | Cast | Actor | Self - Guest | 1 |
 Robert Urich | Cast | Actor | Self | 1 |
 Robin Tunney | Cast | Actress | Self - Guest | 1 |
 Roma Downey | Cast | Actress | Self - Guest | 1 |
 Ron Howard | Cast | Actor | Self - Guest | 1 |
 Ron Livingston | Cast | Actor | Self | 1 |
 Rosario Dawson | Cast | Actress | Self - Guest | 1 |
 Ryan Seacrest | Cast | Actor | Self | 1 |
 Samantha Mathis | Cast | Actress | Self - Guest | 1 |
 Sarah Chalke | Cast | Actress | Self | 1 |
 Scarlett Johansson | Cast | Actress | Self - Guest | 1 |
 Scott Bakula | Cast | Actor | Self - Guest | 1 |
 Scott Cohen | Cast | Actor | Self | 1 |
Serena Altschul | Cast | Self | 1 | |
 Seth Rogen | Cast | Actor | Self - Guest | 1 |
 Shaggy | Cast | Actor | Self | 1 |
 Slash | Cast | Actor | Self | 1 |
 Soleil Moon Frye | Cast | Actress | Self | 1 |
 Stacy Keach | Cast | Actor | Self - Guest | 1 |
 Steven Weber | Cast | Actor | Self - Guest | 1 |
 Sting | Cast | Actor | Self - Guest | 1 |
 Susan Sarandon | Cast | Actress | Self - Guest | 1 |
 Suzanne Vega | Cast | Actress | Self | 1 |
 Sylvester Stallone | Cast | Actor | Self - Guest | 1 |
 Tara Reid | Cast | Actress | Self | 1 |
 Ted Danson | Cast | Actor | Self - Guest | 1 |
 Terry Bradshaw | Cast | Actor | Self - Guest | 1 |
 The Angel | Cast | Actress | Self | 1 |
 Thora Birch | Cast | Actress | Self - Guest | 1 |
 Tim Blake Nelson | Cast | Actor | Self - Guest | 1 |
 Tim Matheson | Cast | Actor | Self | 1 |
 Tim Robbins | Cast | Actor | Self - Guest | 3 |
 Tim Roth | Cast | Actor | Self - Guest | 1 |
 Tom Everett Scott | Cast | Actor | Self - Guest | 1 |
 Tom Green | Cast | Actor | Self | 1 |
 Tony Rock | Cast | Actor | Self | 1 |
 Topher Grace | Cast | Actor | Self | 2 |
 Tori Spelling | Cast | Actress | Self | 1 |
 Tricky | Cast | Actor | Self | 1 |
 Tyrese Gibson | Cast | Actor | Self | 1 |
 Vanessa Marcil | Cast | Actress | Self | 1 |
 Vin Diesel | Cast | Actor | Self - Guest | 2 |
 Vince Vaughn | Cast | Actor | Self - Guest | 2 |
 Vincent Pastore | Cast | Actor | Self | 1 |
 Virginia Madsen | Cast | Actress | Self - Guest | 1 |
 Wendie Malick | Cast | Actress | Self - Guest | 3 |
 Will Ferrell | Cast | Actor | Self - Guest | 2 |
 William Shatner | Cast | Actor | Self - Guest | 5 |
 Wilmer Valderrama | Cast | Actor | Self | 1 |
 Yancy Butler | Cast | Actress | Self | 1 |
 Zach Braff | Cast | Actor | Self | 2 |
 Andy Roddick | Cast | Actor | Self | 1 |
Barry Zito | Cast | Self | 1 | |
 Diane Kruger | Cast | Actress | Self - Guest | 1 |
 Maria Sharapova | Cast | Actress | Self | 1 |
 Rachel Roberts | Cast | Actress | Self | 1 |
 Ryan Belleville | Cast | Actor | Stand-up | 1 |
 Paul Shaffer | Cast | Actor | Self | 1 |
 Lesley Stahl | Cast | Actress | Self | 1 |
 Drew Pinsky | Cast | Actor | Self | 1 |
 Beth Orton | Cast | Actress | Self | 1 |
 Kim Smith | Cast | Actress | Self | 1 |
Geraldo Rivera | Cast | Actor | Self | 1 |
 Pat Benatar | Cast | Actress | Self | 1 |
 Dennis Prager | Cast | Actor | Self | 1 |
 Kevin Garnett | Cast | Actor | Self | 1 |
| Person | Type | Job | Role(s) | Episodes |
