The series cast numbers over 213 actors. There are 10 starring cast members, 4 special guest stars, 65 guest stars, and 134 co-stars. There are several notable uncredited cast members, often playing themselves as the host or musical guest of the show.
Starring[]
- Matthew Perry as Matt Albie (21 episodes)
- Amanda Peet as Jordan McDeere (21 episodes)
- Bradley Whitford as Danny Tripp (21 episodes)
- Steven Weber as Jack Rudolph (22 episodes)
- D.L. Hughley as Simon Stiles (22 episodes)
- Sarah Paulson as Harriet Hayes (22 episodes)
- Nate Corddry as Tom Jeter (22 episodes)
- Timothy Busfield as Cal Shanley (20 episodes)
- Evan Handler as Ron Oswald (4 episodes)
- Carlos Jacott as Ricky Tahoe (4 episodes)
Special guest starring[]
- Ed Asner as Wilson White (6 episodes)
- Christine Lahti as Martha O'Dell (3 episodes)
- Judd Hirsch as Wes Mendell ()
- Eli Wallach as Eli Weinraub ()
Guest starring[]
- Nate Torrence as Dylan Killington (19 episodes, 5 as a co-star)
- Ayda Field as Jeannie Whatley (16 episodes)
- Camille Chen as Samantha Li (15 episodes, 4 as a co-star)
- Lucy Davis as Lucy Kenwright (15 episodes)
- Simon Helberg as Alex Dwyer (14 episodes, 4 as a co-star)
- Merritt Wever as Suzanne (12 episodes)
- Columbus Short as Darius Hawthorne (10 episodes)
- Mark McKinney as Andy Mackinaw (10 episodes)
- Diana-Maria Riva as Lilly Rodriguez (8 episodes, 1 uncredited)
- John Mahon as George (7 episodes)
- Josh Stamberg as Luke Scott (6 episodes)
- John Ennis as Denny (6 episodes, 5 as a co-star)
- Raymond Ma as Zhang Tao (5 episodes)
- Julia Ling as Kim Tao (5 episodes)
- Kari Matchett as Mary Tate (5 episodes)
- Stephanie Childers as Hallie Gallaway (4 episodes)
- JD Walsh as Jess (4 episodes)
- James Lesure as Captain Boyle (3 episodes)
- Wendy Phillips as Shelley Green (3 episodes)
- Michael Stuhlbarg as Jerry Jones (2 episodes)
- Michael Hyatt as Maisie (2 episodes)
- Casey Sander as Bevo (2 episodes)
- Teddy Sears as Darren Wells (2 episodes, 1 as a co-star)
- John Goodman as Judge Robert Bebe (2 episodes)
- Jay Paulson as Deputy Roger Boone (2 episodes)
- Michael Kostroff as David Langenfeld (2 episodes)
- Kelvin Yu as Kevin Yu (2 episodes)
- Cyia Batten as Wendy (2 episodes)
- Vernee Watson-Johnson as Zelda (2 episodes, 1 as a co-star)
- Jayma Mayes as Daphne ("Pilot")
- Donna Murphy as Blair ("Pilot")
- Margaret Easley as Constance Gower ()
- Scott Klace as Peter Goldman ("The Cold Open")
- Kimberley Huie as Jane ("The Cold Open")
- Mircea Monroe as Crystal ()
- Rob Nagle as the Moderator ("The Focus Group")
- Fred Stoller as Lenny Gold ()
- Harry Van Gorkum as Martin Sykes ()
- Zeb Newman as Trevor Loughlin ("The Long Lead Story")
- Nancy Lenehan as Mrs. Jeter ("The Wrap Party")
- Randy Oglesby as Mr. Jeter ("The Wrap Party")
- Mystro Clark as Willy Wilz ("The Wrap Party")
- Christopher Shea as Jim ("Nevada Day: Part 1")
- Daniel Escobar as Jim's Friend ("Nevada Day: Part 1")
- Todd Stashwick as Bill ()
- Ben Bode as the OB/GYN doctor ()
- Scott Lawrence as NBC legal counsel ("The Christmas Show")
- Juan Garcia as Ian ("The Christmas Show")
- Kurt Fuller as Ted Atkins ()
- Christian Camargo as Actor playing Keith Richards ()
- Molly Price as Nona Pruitt ()
- Stephen Tobolowsky as Joe ()
- Joseph Lyle Taylor as Tim Batale ("The Friday Night Slaughter")
- Gina La Piana as Diana Valdes ("The Friday Night Slaughter")
- Tamala Jones as Claire ()
- Christine Adams as Stefanie ("The Disaster Show")
- Shawn Michael Patrick as Gino ("The Disaster Show")
- Austin Basis as Robby ("The Disaster Show")
- Nick Nordella as Robbie Wyatt ("The Disaster Show")
- Tony Perez as Howard ()
- Timothy Davis-Reed as Lieutenant Pierce ("K & R: Part 1")
- Amy Hill as Nurse ()
- Tom Virtue as Leon Kussman ("K & R: Part 2")
- Matt McCoy as Russell ("K & R: Part 2")
- Rich Hutchman as a Reporter ("K & R: Part 2")
Co-stars[]
- John F. Carpenter as Herb Sheldon (9 episodes)
- Joey Thurston III as Cue card tech (9 episodes, 2 uncredited)
- William Stanford Davis as Floor Manager (8 episodes)
- Kirstin Pierce as Marylyn Rudolph (3 episodes)
- Amy Honey as Jenny - P.A. #1 (5 episodes, 1 uncredited)
- Wendle Josepher as Deb (4 episodes)
- John Cabrera as Elliot (4 episodes)
- Ben Murray as Louis (3 episodes)
- Jah Shams as P.A. #2 (3 episodes)
- Emiko Parise as Emiko (3 episodes)
- William Duffy as a DJ (3 episodes, voice only, 1 uncredited)
- Chris Hogan as Hal (2 episodes)
- Amir Talai as Fred (2 episodes)
- Lee Dawson as a State Trooper (2 episodes)
- Stephen Alvarez as TV News Anchor (2 episodes)
- Nina Mann as Shirley (2 episodes)
- Eddie Hassell as Cody (2 episodes)
- Jackie Michele Johnson as Cody's #1 Fan (2 episodes)
- Lisa M. Haskins as Jill (2 episodes)
- Amanda Tepe as Bobbie (2 episodes, 1 uncredited)
- Elizabeth Sung as Mrs. Tao (2 episodes, 1 uncredited)
- Three 6 Mafia as Themselves - Musical Guests ("Pilot")
- Jennifer Pennington as a Control Room Assistant ("Pilot")
- Clement Blake as Cue Card Man ("Pilot")
- Dave Allen Clark as Monitor Reporter #1 ("Pilot")
- Glen Walker as Monitor Reporter #2 ("Pilot")
- Shaun Robinson as Monitor Reporter #3 ("Pilot")
- Dilva Henry as Monitor Reporter #4 ("Pilot")
- Andrew Friedman as Alan ("Pilot")
- Joshua Weinstein as Michael ("Pilot")
- Mandy Siegfried as Julie ("Pilot")
- Kris Murphy as Karen ("Pilot")
- Josh Phillips as M.C. ("Pilot")
- Akiva Goldsman as Himself ("Pilot")
- Rod Tate as a Security Man ("Pilot")
- Samantha Coker as a Waitress ("Pilot")
- Samantha Schacher as a Waitress ("Pilot")
- John Mauceri as Himself ("The Cold Open")
- Bill Escudier as Mitch ("The Cold Open")
- Mark Edward Smith as Joe Reardon ("The Cold Open")
- Robin Karfo as Gail ("The Cold Open")
- Bob Jesser as Bill ("The Cold Open")
- Terry Walters as Kathleen ("The Cold Open")
- Edward Stanley as Martin ("The Cold Open")
- Ursula Garcia-Schmidt as Veronica ("The Cold Open")
- Parisa Fitz-Henley as Celia ("The Cold Open")
- Jane Yamamoto as a TV reporter ("The Cold Open")
- Tom Ayers as a Participant ("The Focus Group")
- Bayana Ison as a Concierge ("The Focus Group")
- Nathan Dana Aldrich as a Fan ("The Focus Group")
- Staci B. Flood as Staci ("The West Coast Delay")
- Karla Andrade as Karla ("The West Coast Delay")
- Kasey Campbell as Kasey ("The West Coast Delay")
- Telisha Shaw as Telisha ("The West Coast Delay")
- Amita Balla as Antonia ("The West Coast Delay")
- Stephanie Jeffrey as a Waitress ("The Long Lead Story")
- Joseph Will as Agent #1 ("The Long Lead Story")
- Liza de Weerd as Agent #2 ("The Long Lead Story")
- Sarah Christine Smith as Treasure ("The Wrap Party")
- Vanessa Born as Laci ("The Wrap Party")
- Hayley Marie Norman as Shana ("The Wrap Party")
- Budd Friedman as Himself ("The Wrap Party")
- Gregg D. Wilson as Improv MC ("The Wrap Party")
- Stacey Hinnen as Sound Engineer #1 ("The Wrap Party")
- Mike Zent as Sound Engineer #2 ("The Wrap Party")
- Alejandro Furth as Security Officer #1 ("The Wrap Party")
- Reggie Jordan as Security Officer #2 ("The Wrap Party")
- Geno Monteiro as Posse Boy #1 ("The Wrap Party")
- Brett Barrett as Posse Boy #2 ("The Wrap Party")
- Chris Flanders as Detective Trentanelli ("Nevada Day: Part 1")
- Joshua Wolf Coleman as Detective Hillary ("Nevada Day: Part 1")
- Ron Ostrow as Richard ("Nevada Day: Part 1")
- Larry A. Macias as a P.A. ("Nevada Day: Part 1")
- Josh DuBose as Fan #2 ("Nevada Day: Part 1")
- CeCi Parker as Executive ("Nevada Day: Part 1")
- D. David Morin as Finney ()
- Jennifer Lee as a Flight Attendant ("Nevada Day: Part 2")
- Monica Garcia as Nurse ("B-12")
- Tate Hanyok as Carrie ("B-12")
- Christopher Carley as Jeff ("B-12")
- Hallie Lambert as Deal or No Deal Girl ("B-12")
- Kevin Eubanks as himself ("The Christmas Show")
- Troy Michael Andrews as the Trumpet player ("The Christmas Show")
- Mimi Cozzens as Mrs. White ("The Christmas Show")
- Teresa Huang as a Nurse ("The Christmas Show")
- Larry Stahoviak as an Assistant ("The Christmas Show")
- Sean Donnellan as Philip ("The Harriet Dinner: Part I")
- Ross Mackenzie as Phil Ribner ("The Harriet Dinner: Part I")
- Brian Hatton as Director of Photography ("The Harriet Dinner: Part I")
- Richard Wharton as Photographer ("The Harriet Dinner: Part I")
- Hilary Griffiths as Tina ("The Harriet Dinner: Part I")
- Robert Noble as Crew Foreman ("The Harriet Dinner: Part II")
- Alix Angelis as Twin Fan of Cody ("The Harriet Dinner: Part II")
- Kris Angelis as Twin fan of Cody ("The Harriet Dinner: Part II")
- Sara Raftery as Cody's 2nd Fan ("The Harriet Dinner: Part II")
- Jennifer Peo as a P.A. ("The Friday Night Slaughter")
- Valeri Ross as Mrs. Dobson ("The Friday Night Slaughter" Voice)
- Matthew Dowling as Bernie ("The Friday Night Slaughter")
- Michie Madison as a Press Reporter ("The Friday Night Slaughter")
- Blake Hood as Actor Playing Scott ()
- John Hemphill as A.D. ("4 AM Miracle")
- Sharon Brathwaite as P.A. #5 ("4 AM Miracle")
- Maxine Bahns as Lena ("4 AM Miracle")
- William Stanford Davis as Floor manager ("4 AM Miracle")
- Matthew Dowling as Bernie ("4 AM Miracle")
- Grant Oge as Camera assistant ("4 AM Miracle")
- Tara Radcliffe as Jennifer ()
- Jennifer Pennington as Assistant ("The Disaster Show")
- Ruben Pla as Cue Card Guy ("The Disaster Show")
- Peter Story as P.A. #6 ("The Disaster Show")
- Chet Grissom as Canine Officer ("The Disaster Show")
- Eriq F. Prince as Officer #1 ("The Disaster Show")
- Chic Daniel as Officer #2 ("The Disaster Show")
- Yervant Hagopian as Patrick ("The Disaster Show")
- David O. Katz as Man in Green Room ("The Disaster Show")
- Evan Gaustad as Waiter ("Breaking News")
- Annika P. Smith as Billie ("Breaking News")
- David Brownstein as a P.A. 7 ("Breaking News")
- Leslie Connelly as Steffi ("K & R: Part 1")
- Gwen Holloway as Nurse ("K & R: Part 1")
- Rich Skidmore as Newscaster ("K & R: Part 1")
- Joanna Strapp as Attendant ("K & R: Part 1")
- Matt Weinhold as Actor / Hannibal ("K & R: Part 2")
- Gina St. John as Reporter #1 ("K & R: Part 2")
- Mark Bloom as Reporter #2 ("K & R: Part 2")
- Leyna Nguyen as News Anchor ("K & R: Part 2")
- Mel Fair as Newscaster ("K & R: Part 2")
- Gwen Holloway as a Nurse ("K & R: Part 2")
- James M. Connor as Mike ()
- Matt Weinhold as a Sketch Player ("K & R: Part 3")
- Kimberly Topper as Stacey ("K & R: Part 3")
- Deirdre M. Smith as a Nurse ()
- Emmett Miller as a News Anchor #1 ("What Kind of Day Has It Been")
- Tanya Whitford as News Anchor #2 ("What Kind of Day Has It Been")
Uncredited[]
- Felicity Huffman as Herself - Guest Host ("Pilot")
- Rob Reiner as Himself - Guest Host ("The Focus Group")
- Lauren Graham as Herself - Guest Host ("The Long Lead Story")
- Sting as Himself - Musical Guest ("The Long Lead Story")
- Lauren Graham as Herself - Guest Host ("The Wrap Party")
- Howie Mandel as Himself - Guest Host ("B-12")
- Corinne Bailey Rae as Herself - Musical Guest ("B-12")
- Bob French as Himself - Musical Guest ("The Christmas Show")
- Kirk Joseph as Himself - Musical Guest ("The Christmas Show")
- Roderick Paulin as Himself - Musical Guest ("The Christmas Show")
- Masi Oka as Himself - Guest Host ("The Harriet Dinner: Part II")
- Allison Janney as Herself - Guest Host ("The Disaster Show")
- Jenna Fischer as Herself - Guest Host ("Breaking News")
- Gren Bel Fisher as Himself - Musical Guest ("Breaking News")
- Martin Sheen as Radio Host ("K & R: Part 3" voice)