| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Amy Sedaris | Crew | Writing | Writer, Creator | 30 |
 Bob Balaban | Crew | Directing | Director | 1 |
 Dan Dinello | Crew | Directing | Director | 2 |
Danny Leiner | Crew | Directing | Director | 2 |
 David Letterman | Crew | Production | Executive Producer | 30 |
 David Wain | Crew | Writing | Writer | 1 |
 Juan José Campanella | Crew | Directing | Director | 8 |
 Kent Alterman | Crew | Production | Producer | 30 |
 Mitch Rouse | Crew | Writing | Writer, Creator | 3 |
 Nicholas Stoller | Crew | Writing | Writer | 1 |
 Paul Dinello | Crew | Writing | Writer, Creator | 30 |
Peter Lauer | Crew | Directing | Director | 18 |
 Stephen Colbert | Crew | Production | Producer, Writer, Creator | 30 |
 Thomas Lennon | Crew | Writing | Writer | 1 |
Peg Healey | Crew | Crew | Additional Writing | 1 |
 Alan Tudyk | Cast | Actor | Father | 2 |
Amy Sedaris | Cast | Actress | Jerri Blank | 30 |
 Andy Richter | Cast | Actor | NutraWhiz Clerk | 1 |
Anthony Mondal | Cast | Actor | Mr. Singh | 1 |
 Bebe Neuwirth | Cast | Actress | Herself | 1 |
 Bernie McInerney | Cast | Actor | Dr. Zorters | 1 |
 Callie Thorne | Cast | Actress | School Nurse | 1 |
 Cheri Oteri | Cast | Actress | Hillary | 1 |
 Chuck Cooper | Cast | Actor | Sack Race Referee | 1 |
 David Cross | Cast | Actor | Dr. Trepanning | 1 |
 David Pasquesi | Cast | Actor | Stew | 4 |
 Deborah Rush | Cast | Actress | Sara Blank | 30 |
Dolores Duffy | Cast | Actress | Iris Puffybush | 12 |
 Dylan Baker | Cast | Actor | Minister Arsenew | 1 |
Ed Jupp Jr. | Cast | Actor | Man in Wheelchair | 1 |
 Ellen Pompeo | Cast | Actress | Lizzie Abrams | 1 |
 Erin Cottrell | Cast | Actress | Relay Team Member | 1 |
 Frederick Koehler | Cast | Actor | Ricky | 1 |
 Gerry Vichi | Cast | Shoe Store Owner | 1 | |
 Greg Hollimon | Cast | Actor | Onyx Blackman | 30 |
 Harry S. Murphy | Cast | Actor | 1 | |
 Heather Matarazzo | Cast | Actress | Renee | 1 |
 Jack Ferver | Cast | Actor | Jimmy Tickles | 3 |
 Jackie Hoffman | Cast | Actress | Miss Plog | 1 |
 Jackie Tohn | Cast | Actress | Heckler | 1 |
 Jacob Pitts | Cast | Actor | Craig Snow | 1 |
 James Saito | Cast | Actor | Drug Tester | 1 |
 Janeane Garofalo | Cast | Actress | Cassie Pines | 2 |
 Jason Jones | Cast | Actor | 1 | |
 Jeff Branson | Cast | Actor | 1 | |
 Jenna Lamia | Cast | Actress | Poppy Downes | 1 |
 Jenni Tooley | Cast | Actress | Butterfly | 2 |
 Jeremy Davidson | Cast | Actor | Drake Rogers | 1 |
Jessica Bogart | Cast | Actress | Melissa | 1 |
Joe Liss | Cast | Actor | Coach Joe Liss | 1 |
 Joel Fabiani | Cast | Actor | Doctor | 1 |
 John Hensley | Cast | Actor | Stoner Guy #2 | 1 |
John Miller-Monzon | Cast | Josephus | 2 | |
 John Ottavino | Cast | Actor | Mt. Valley Principal | 1 |
 Joshua Harto | Cast | Actor | Stoner Kid | 1 |
 Karen Goberman | Cast | Actress | 1 | |
 Ken Hudson Campbell | Cast | Actor | Glenn the Bus Driver | 1 |
Kevyn Aucoin | Cast | Sharpei | 1 | |
Larc Spies | Cast | Actor | Derrick Blank | 28 |
 Larry Marshall | Cast | Actor | Jazzy | 1 |
Lisa Terezakis | Cast | 2 | ||
Luther Creek | Cast | History Student | 1 | |
 Maria Christina Thayer | Cast | Actress | Tammi Littlenut | 13 |
 Mark McKinney | Cast | Actor | Lee | 1 |
Martin Zentz | Cast | Stoner Guy #1 | 1 | |
 Matt Newton | Cast | Actor | Alan | 1 |
 Matthew Sean Blumm | Cast | Actor | P-John | 4 |
Mitch Rouse | Cast | Actor | Officer Savillion | 2 |
 Paul Dawson | Cast | Actor | Paul | 1 |
Paul Dinello | Cast | Actor | Geoffrey Jellineck | 30 |
 Paul Rudd | Cast | Actor | Brent Brooks | 1 |
 Peter Hans Benson | Cast | Actor | Buddah Stalin | 1 |
 Richard Kind | Cast | Actor | Harry Link | 1 |
Roberto Gari | Cast | Guy Blank | 12 | |
 Rose Abdoo | Cast | Actress | Señora Maria de los Angeles Pons Montez Garcia y Perez | 1 |
 Ross Bickell | Cast | Actor | Mr. Tidbits | 1 |
 Sabine Singh | Cast | Actress | Yasmine Sarong | 1 |
 Sandra Reaves-Phillips | Cast | Actress | Walter Lee Younger | 1 |
Sanjiv Jhaveri | Cast | Actor | Cab Driver | 1 |
 Sarah Thompson | Cast | Actress | Popular Girl | 1 |
 Sarah Thyre | Cast | Actress | Coach Cherri Wolf | 13 |
 Shannon Walker Williams | Cast | Actress | 1 | |
Stephen Colbert | Cast | Actor | Chuck Noblet | 30 |
Steve O'Donnell | Cast | Actor | 1 | |
 Tim Meadows | Cast | Actor | Percy Kittens | 1 |
 Virginia Williams | Cast | Actress | Ginger | 1 |
 Will Ferrell | Cast | Actor | Bob Whitely | 1 |
 Winona Ryder | Cast | Actress | Fran | 1 |
 Zach Shaffer | Cast | Actor | Ronnie Leggett | 1 |
Ben Rauch | Cast | Actor | 1 | |
 Carla Greene | Cast | Actress | Jackie | 1 |
 Chris Carmack | Cast | Actor | Laird | 1 |
Christina Ablaza | Cast | Actress | 1 | |
 Derek Richardson | Cast | Actor | Jared | 1 |
 Heather Magee | Cast | 3 | ||
Judson Pearce Morgan | Cast | Miles | 1 | |
 Justin Spitzer | Cast | Actor | 1 | |
 Kelly Hutchinson | Cast | Actress | 2 | |
Marcel Simoneau | Cast | Actor | Troubled Youth | 1 |
Mark Ibold | Cast | Actor | Mark the Bass Player | 1 |
Matt Ostroff | Cast | 1 | ||
 Pascale Armand | Cast | Actress | 1 | |
Patrick Blindauer | Cast | 1 | ||
Rachel Williams | Cast | Dr. Rachel Williams, Supermodel | 1 | |
 Roderick Hill | Cast | Actor | 1 | |
Ryan Patrick Bachand | Cast | Arnie Arsenew | 1 | |
Sarah Litzsinger | Cast | Actress | 1 | |
 Sophina Brown | Cast | Actress | Sydney | 1 |
 Stephanie Sanditz | Cast | Actress | Trish | 1 |
 Troy Metcalf | Cast | Actor | Troy | 6 |
Emma Bowers | Cast | Rebecca | 2 | |
Regina Palian | Cast | Actress | Teacher | 1 |
 Suzan Mikiel | Cast | Actress | Lizzie's Friend | 1 |
Liz Celeste | Cast | Student | 1 | |
Dolores Duffy | Cast | Iris Puffybush | 4 | |
 Tim Miller | Cast | Actor | Mr. Kolovitz | 1 |
 John Eddins | Cast | Actor | Lena Younger | 1 |
Hank Flynn | Cast | 1 | ||
Jay Martel | Cast | Actor | Captain Stacks | 1 |
Orlando Pabotoy | Cast | Orlando Pinatubo | 22 | |
 Nicole Dalton | Cast | Actress | 1 | |
Todd Swenson | Cast | 1 | ||
 Rich Chew | Cast | Actor | Korean Cop | 1 |
Evelyn McGee-Colbert | Cast | Actress | Chuck's Mother | 1 |
Rebecca Rich | Cast | Becky Ann Bedecker | 1 | |
Robert Brazil | Cast | 1 | ||
 Joseph Culliton | Cast | V.D. Doctor | 1 | |
Tessa Ghylin | Cast | Tina | 1 | |
 Jodi Pynn | Cast | Actress | 1 | |
 Richard Leonard | Cast | Actor | Carlos | 1 |
Amber Stone | Cast | 1 | ||
Tara Nulty | Cast | 2 | ||
Jared Ryan | Cast | Actor | Paul Cotton | 1 |
Jake Patellis | Cast | Actor | 1 | |
Anne St. Claire | Cast | Actress | 1 | |
Jennifer Johns | Cast | 1 | ||
Dana Lubotsky | Cast | 1 | ||
 Jeremy Schwartz | Cast | Actor | Bill | 2 |
George Bass | Cast | Actor | 1 | |
Randy John Rowe Jr. | Cast | 1 | ||
Justin Daniel | Cast | 1 | ||
Jeremy Nagel | Cast | Daniel | 1 | |
Noble Shropshire | Cast | Roger Stifdik | 1 | |
Brian Keeler | Cast | 1 | ||
Jamie Bennett | Cast | Skeet | 1 | |
Natasha Price | Cast | Actress | 1 | |
 Susan Gordon-Clark | Cast | Actress | Mrs. Downes | 1 |
Eric Tonken | Cast | Ug | 1 | |
Victor Mastroianni | Cast | 2 | ||
Shawn Stallworth | Cast | 1 | ||
Miguel Maldonado | Cast | 1 | ||
Benjamin Kwan | Cast | 1 | ||
Christopher Cardillo | Cast | 1 | ||
Casey Johnston | Cast | 1 | ||
Ming Lee | Cast | Actor | Dry Cleanery Employee | 1 |
Kevin Lodini | Cast | 1 | ||
Ward Sutton | Cast | Police Sketch Artist | 1 | |
Jason Schuler | Cast | Cultee | 2 | |
Elan Rivera | Cast | 1 | ||
Marie Laine | Cast | MMAD Mother | 1 | |
Cristina Ablaza | Cast | 1 | ||
Valentine Bureau | Cast | Trudy | 1 | |
Michael Cruz | Cast | Wendell | 1 | |
Jason Brinker | Cast | 1 | ||
Kate Davis | Cast | 1 | ||
Kimberley Masters | Cast | Student | 1 | |
Devin Palmer | Cast | Toby | 1 | |
Genie Sloan | Cast | 1 | ||
K.C. Michele | Cast | 1 | ||
April Williams | Cast | 1 | ||
 Eunice Wong | Cast | Actress | Ghost Girl | 1 |
Ian Stuart | Cast | Doctor | 1 | |
Maura Leaden | Cast | Dizzy | 1 | |
Courtney Delong | Cast | 1 | ||
Aisha Henderson | Cast | 1 | ||
Lance White Magpie | Cast | 1 | ||
Deborah Karpel | Cast | 2 | ||
Rebecca Kasper | Cast | Judy | 2 | |
Tami Willis Jr. | Cast | 1 | ||
Tim Fagan | Cast | 1 | ||
Mark C. Sarion | Cast | Kim Luc | 1 | |
Gregory Barkhamer | Cast | Student | 1 | |
Joanne Hartlaub | Cast | 1 | ||
Matt Fagan | Cast | Spiro | 1 | |
Alex D. James | Cast | Brad | 1 | |
McKenna Leaden | Cast | Dizzy | 1 | |
Eileen Duffy | Cast | 1 | ||
Mark O'Donnell | Cast | 1 | ||
Casey Daniel | Cast | 1 | ||
Rob Renz | Cast | Spike Jabber | 1 | |
Leanne LIttlestone | Cast | 2 | ||
Michael Jey | Cast | Doctor | 1 | |
Patrick McCracken | Cast | 2 | ||
Elizabeth Fagan | Cast | 1 | ||
Henry Valasco | Cast | 2 | ||
Mijanou Montalegre | Cast | Connie | 1 | |
Natalie Blalock | Cast | Edie Harley | 1 | |
Marisa Mickel | Cast | Bikini Carwash Girl | 1 | |
Sue Gisser | Cast | Stravulla | 1 | |
Neal Fagan | Cast | 1 | ||
Antoinette Dipietropolo | Cast | 1 | ||
Tamera Gindlesperger | Cast | Kimberly Timbers | 1 | |
Steve O'Donnell | Cast | 1 | ||
Carolyn Popp | Cast | 1 | ||
Debra Lisi | Cast | 1 | ||
Audrey Owen Bates | Cast | Cody | 2 | |
Louis DeLuca | Cast | 1 | ||
Scott Parker | Cast | 1 | ||
Rich Kasper | Cast | 1 | ||
| Person | Type | Job | Role(s) | Episodes |
