- Lisa Kudrow
- Â Valerie Cherish 21 episodes, 2005-2014
- Lance Barber
- Â Paulie G. 21 episodes, 2005-2014
- Robert Michael Morris
- Â Mickey Deane 21 episodes, 2005-2014
- Laura Silverman
- Â Jane Benson 21 episodes, 2005-2014
- Damian Young
- Â Mark Berman 21 episodes, 2005-2014
- Malin Akerman
- Â Juna Millken 15 episodes, 2005-2014
- Robert Bagnell
- Â Tom Peterman 14 episodes, 2005-2014
- Kellan Lutz
- Â Chris MacNess 14 episodes, 2005-2014
- Jason Olive
- Â Jesse Wood 13 episodes, 2005
- Kimberly Jeppson
- Â Shayne Thomas 13 episodes, 2005
- Vanessa Marano
- Â Franchesca 12 episodes, 2005
- Lillian Hurst
- Â Esperanza 11 episodes, 2005-2014
- Dan Bucatinsky
- Â Billy Stanton 9 episodes, 2005-2014
- Bayne Gibby
- Â Gigi 9 episodes, 2005-2014
- Mark L. Young
- Â Tyler Beck 8 episodes, 2014
- Bill Escudier
- Â Milo 7 episodes, 2005
- Tom Virtue
- Â Eddie 7 episodes, 2005
- Nathan Lee Graham
- Â Peter 6 episodes, 2005
- Brian Delate
- Â Ron Wesson 5 episodes, 2014
- Zoë Chao
- Â Shayna 4 episodes, 2014
- Vanya Asher
- Â Connor 3 episodes, 2014
- Rose Abdoo
- Â Marianina 3 episodes, 2014
- Marla Garlin
- Â Sharon 3 episodes, 2005-2014
- Kate Comer
- Â Rada 3 episodes, 2014
- Sik End
- Â Al the Sound Guy 3 episodes, 2005
- Winnie Holzman
- Â Script Supervisor 3 episodes, 2014
- John H. Mayer
- Â Wagner Fisk 3 episodes, 2005
- Jhoni Marchinko
- Â Catherine 3 episodes, 2014
- Seth Rogen
- Â Seth Rogen 2 episodes, 2014
- Carlos Jacott
- Â James 2 episodes, 2014
- David Hunt
- Â Will Parker 2 episodes, 2014
- Matt Cook
- Â Ivan 2 episodes, 2014
- Cheryl Bricker
- Â Nancy / ... 2 episodes, 2014
- Nik Dodani
- Â Harry 2 episodes, 2014
- Brad Goreski
- Â Brad Goreski 2 episodes, 2014
- Stephanie Courtney
- Â Carolina 2 episodes, 2005
- Meryl Hathaway
- Â Andie Tate 2 episodes, 2014
- Jon Sklaroff
- Â Sean the Sound Guy 2 episodes, 2005
- Matt Weinhold
- Â Warm Up Comic 2 episodes, 2005
- Brady Smith
- Â Mike 2 episodes, 2005
- Maulik Pancholy
- Â Kaveen Kahan 2 episodes, 2005
- Amir Talai
- Â Greg Narayan 2 episodes, 2005
- Marc Grapey
- Â Jason Silver 1 episode, 2005
- Adam Zastrow
- Â Cricket 1 episode, 2014
- Jaime Alvarez
- Â Valet 1 episode, 2014
- Julie Chen Moonves
- Â Julie Chen 1 episode, 2014
- Asif Ali
- Â Party Guy 1 episode, 2014
- Keye Chen
- Â Translator 1 episode, 2014
- Tom Fonss
- Â Tim 1 episode, 2014
- Sara Gilbert
- Â Sara Gilbert 1 episode, 2014
- RuPaul
- Â RuPaul 1 episode, 2014
- Michelle Castillo
- Â Dr. Gonzales 1 episode, 2014
- Jennifer Elise Cox
- Â Miss Hollywood 1 episode, 2005
- Greg Ainsworth
- Â Male Flight Attendant 1 episode, 2005
- Ryan Thomas Brockington
- Â Cameron 1 episode, 2005
- Kal Bennett
- Â Hostess 1 episode, 2005
- Billy Briggs
- Â B Unit Crew Producer 1 episode, 2005
- Abigail Klein
- Â Ashley 1 episode, 2014
- Andy Cohen
- Â Andy Cohen 1 episode, 2014
- Doug Bass
- Â Schaemus 1 episode, 2014
- Edwin R. Habacon
- Â Butcher 1 episode, 2014
- Kim Fields
- Â Kim Fields 1 episode, 2005
- Anna Belknap
- Â Sara Peterman 1 episode, 2005
- Victoria Carroll
- Â Mary Murphy 1 episode, 2005
- Eric Edelstein
- Â Mike 1 episode, 2005
- Susan Chuang
- Â Christine 1 episode, 2005
- Robert W. Arbogast
- Â Adam Maya 1 episode, 2005
- John Antonini
- Â Sierra Mist Husband 1 episode, 2005
- Tim Bagley
- Â Frank 1 episode, 2014
- Frederik Pohl IV
- Â Ned 1 episode, 2014
- Jill Donnelly
- Â Emmy Producer 1 episode, 2014
- Jorge B. Luis
- Â Juan 1 episode, 2014
- Ksenia Delaveri
- Â Russian 1 episode, 2014
- Daniel Franzese
- Â Mr. Hollywood 1 episode, 2005
- Clint Carmichael
- Â Police Officer 1 episode, 2005
- Stacey Carino
- Â Sierra Mist Wife 1 episode, 2005
- Charla Faddoul
- Â Charla 1 episode, 2005
- Brian George
- Â Aman Adash 1 episode, 2014
- Sharon Osbourne
- Â Sharon Osbourne 1 episode, 2014
- Kimberly Condict
- Â Groundling #2 1 episode, 2014
- Mike Rose
- Â Ashanti 1 episode, 2014
- Doran Butler
- Â Bird 1 episode, 2014
- Bess Meisler
- Â Elderly Lady 1 episode, 2005
- Jonathan Murphy
- Â Kevin the P.A. 1 episode, 2005
- Naomi Matsuda
- Â Lorraine 1 episode, 2005
- Mitchell Fink
- Â Waiter 1 episode, 2005
- Spence Decker
- Â Photographer 1 episode, 2005
- Curt Collier
- Â Usher 1 episode, 2005
- Stephanie Cannon
- Â Liz Novotny 1 episode, 2014
- Chris Eckert
- Â Groundling #1 1 episode, 2014
- Justin Sayre
- Â Q 1 episode, 2014
- Keith Keola Sakima
- Â Second Assistant Camera 1 episode, 2014
- Willa Holland
- Â Kalla 2 episodes, 2005
- Marilu Henner
- Â Marilu Henner 2 episodes, 2005
- Matt Nolan
- Â Bill Hartwick 1 episode, 2005
- Cici Lau
- Â Dry Cleaning Lady 1 episode, 2005
- Mia Kelly
- Â Trendy Actress 1 episode, 2005
- Jason Lansing
- Â Production Assistant 1 episode, 2005
- Donna Cooper
- Â Party Coordinator 1 episode, 2005
- Stephen Guarino
- Â Chateau Host 1 episode, 2014
- Jimmy Fowlie
- Â Rick 1 episode, 2014
- Minnie Schedeen
- Â Minnie 1 episode, 2014
- Spencer Scothorn
- Â Celeste 1 episode, 2014
- Chad Hall
- Â Guest List Guy 1 episode, 2014
- Jayma Mays
- Â Sales Girl 1 episode, 2005
- Christian Oliver
- Â Hotel Greeter 1 episode, 2005
- Henriette Mantel
- Â Dog Lady 1 episode, 2005
- Jamie Hagan
- Â Nikki Stone 1 episode, 2005
- Maggie Marion
- Â Girl in Video Store 1 episode, 2005
- Dori Mizrahi
- Â Key Man 1 episode, 2005
- Mark Gerrard
- Â Ted Z 1 episode, 2005
- Carla Hall
- Â Carla Hall 1 episode, 2014
- Keeshan Giles
- Â Police Officer 1 1 episode, 2014
- Katierose Donohue Enriquez
- Â Lamb 1 episode, 2014
- Dan Warner
- Â Security Guard 1 episode, 2014
- Rodney J. Hobbs
- Â Omar 1 episode, 2014
- Nancy Shayne
- Â Daphne 1 episode, 2014
- Benjamin Byron Davis
- Â Red Carpet Coordinator 1 episode, 2005
- Jennifer Peo
- Â Dinner Waitress 1 episode, 2005
- Andres Londono
- Â Hank 1 episode, 2005
- Bill Parks
- Â Switcheroo Crew Guy 1 episode, 2005
- Patrick John Hurley
- Â Network President 1 episode, 2005
- Doug Mitchell
- Â Security Guard 1 episode, 2005
- Ashley Wisdom
- Â Monica 1 episode, 2014
- Elaine Kao
- Â Chinese Producer 1 episode, 2014
- Joe Spellman
- Â Guy in Parking Lot 1 episode, 2014
- James C. Leary
- Â Network Executive 1 episode, 2005
- Morann Peri
- Â Callabra 1 episode, 2005
- Jackson Spidell
- Â Waiter 1 episode, 2005
- Maya Hazen
- Â Receptionist 1 episode, 2005
- Robb Reesman
- Â Sound Guy 1 episode, 2005
- Scot Renfro
- Â Paparazzo 1 episode, 2005
- Aisha Tyler
- Â Aisha Tyler 1 episode, 2014
- Eugenia Kuzmina
- Â Russian 1 episode, 2014
- Eme Ikwuakor
- Â Detective 1 episode, 2014
- Ben Zelevansky
- Â Burly Teamster 1 episode, 2014
- Jeff Lam
- Â Nurse 1 episode, 2014
- DeeDee Rescher
- Â Donna Franklin 1 episode, 2005
- Jonathan Stark
- Â Angry Driver 1 episode, 2005
- Shannon Malone
- Â Kit Dennehey 1 episode, 2005
- Dan Mott
- Â Annoying Guy 1 episode, 2005
- Wells Rosales
- Â Dee Valet 1 episode, 2005
- Connie Schiro
- Â Gloria 1 episode, 2005
- Hannah Leder
- Â Lucy 1 episode, 2014
- Sheryl Underwood
- Â Sheryl Underwood 1 episode, 2014
- Allan Wasserman
- Â Don Franklin 1 episode, 2005
- Colby Paul
- Â Kevin Chambers 2 episodes, 2005
- Karly Rothenberg
- Â Hospital Nurse 1 episode, 2005
- Jordan Murphy
- Â Macho Host 1 episode, 2005
- Edward Stanley
- Â Waiter 1 episode, 2005
- Lena Waithe
- Â Summer 1 episode, 2014
- Ross Mackenzie
- Â Golden Globes Greeter 1 episode, 2014
- David Jahn
- Â Carl 1 episode, 2014
- Virginia McDonald
- Â Self - Self - HBO Receptionist 1 episode, 2014
- Akiko Kato
- Â Mrs. Yi 1 episode, 2014
- Gary Kraus
- Â Man with Gut 1 episode, 2005
- Rhonda Stubbins White
- Â Reservations Clerk 1 episode, 2005
- Winter Jones
- Â Raoul 1 episode, 2005
- Misi L. Lecube
- Â Zoe 1 episode, 2005
- R.C. Shivers
- Â Photographer 1 episode, 2005
- Nikki McKenzie
- Â Brad's Assistant 1 episode, 2014
- Kelly Mumme
- Â Jean Hayes 1 episode, 2014
- Heather Morgan
- Â Groundlings Instructor 1 episode, 2014
- Eric Zuckerman
- Â Bob 1 episode, 2014
- Megan Truong
- Â Little Girl 1 episode, 2014
- Corey Podell
- Â Sasha 1 episode, 2014
- Bahni Turpin
- Â Yoga Instructor 1 episode, 2005
- Ted Michaels
- Â Jeff 1 episode, 2005
- Michael Matera
- Â Limo Driver 1 episode, 2005
- Philip Wofford
- Â Hipster Actor 1 episode, 2005
- Frank Tortorici
- Â Hairdresser 1 episode, 2005
- Lisa Vanderpump
- Â Lisa Vanderpump 1 episode, 2014
- Jim Titus
- Â Police Officer #2 1 episode, 2014
- Roland Ruiz
- Â Valet 1 episode, 2014
- Jay McCarroll
- Â Self 1 episode, 2005
- Mary Van Luven
- Â Female Flight Attendant 1 episode, 2005
- Eli Vargas
- Â Drive Thru Employee 1 episode, 2014
- Sarah Trask
- Â Sasha 1 episode, 2014
- David L.M. Mcintyre
- Â Seat Filler 1 episode, 2005
- Jennifer Wilkerson
- Â Reservations Clerk 1 episode, 2005
- Omi Vaidya
- Â Uber Driver 1 episode, 2014
- Danny Vasquez
- Â Valet 1 episode, 2014
- Sumalee Montano
- Â Producer 1 episode, 2005
- Chris Witaske
- Â Party Guy 1 episode, 2014
- Greg Worswick
- Â Scott 1 episode, 2014
- George Sharperson
- Â Guard 1 episode, 2005
- Richard Wharton
- Â Fredo 1 episode, 2005
- David Di Brienza
- Â Party Guest 1 episode, 2005
- Tom Wade
- Â Sound Engineer 1 episode, 2005
- David Dustin Kenyon
- Â Masseuse 1 episode, 2014
- Celeste Cook
- Â Publiscist 1 episode, 2014
- Joseph Sims
- Â HBO Cameraman 1 episode, 2014
- Leslie Awender
- Â Emmy Guest 1 episode, 2014
- Selena Montrone
- Â Hot Juice Girl 1 episode, 2014
- James Burrows
- Â Jimmy Burrows (uncredited) 5 episodes, 2005-2014
- Thomas A. Miller
- Â Room and Bored Crew (uncredited) 3 episodes, 2005
- Josh Berger
- Â Seeing Red Camera Assistant (uncredited) 2 episodes, 2014
- Mykell
- Â Senior Assistant Camera (Seeing Red) (uncredited) 2 episodes, 2014
- Jane Kaczmarek
- Â Jane Kaczmarek (uncredited) 1 episode, 2005
- George Lopez
- Â George Lopez (uncredited) 1 episode, 2005
- Jay Leno
- Â Jay Leno (uncredited) 1 episode, 2005
- Melissa Rivers
- Â Melissa Rivers (uncredited) 1 episode, 2005
- Daryl Anderson
- Â Stage Manager (uncredited) 1 episode, 2005
- Billy Bush
- Â Billy Bush (uncredited) 1 episode, 2005
- Mike Hatton
- Â Restaurant Patron (uncredited) 1 episode, 2005
- Karina Michel
- Â Valerie's Competitor (uncredited) 1 episode, 2005
- Darrel Guilbeau
- Â I'm It Actor (uncredited) 1 episode, 2005
- Amber Whelan
- Â Red Carpet Starlet (uncredited) 1 episode, 2005
- Andrew Feld
- Â Valerie's Competitor (uncredited) 1 episode, 2005
- Sam Brittan
- Â Arthur (uncredited) 1 episode, 2005
- Deborah Ouellette
- Â Entertainment Tonight Reporter (uncredited) 1 episode, 2005
- Joe Duffy
- Â Award Show Grip / ... (uncredited) 1 episode, 2005
- Dianna St. Hilaire
- Â Waitress (uncredited) 1 episode, 2005
- Sean Goodman
- Â Sound Assistant (uncredited) 1 episode, 2005
- Katherine Griffith
- Â Woman in the Beverly Center (uncredited) 1 episode, 2005
- Sean Hayes
- Â Sean Hayes (uncredited) 1 episode, 2014
- Kate Flannery
- Â Kate Flannery (uncredited) 1 episode, 2014
- Conan O'Brien
- Â Conan O'Brien (uncredited) 1 episode, 2014
- Chelsea Handler
- Â Chelsea Handler (uncredited) 1 episode, 2014
- Tara Kuhnert Hotchkis
- Â SR Set Decorator (uncredited) 1 episode, 2014
- Harmony McElligott
- Â Groundlings Student (uncredited) 1 episode, 2014
- Stacey Bender
- Â HBO Staff (uncredited) 1 episode, 2014
- Stephen Connors
- Â Security Guard (uncredited) 1 episode, 2014
- Mark DeSalvo
- Â HBO Crew (uncredited) 1 episode, 2014
- Sarah Beaver
- Â Golden Globe Concierge (uncredited) 1 episode, 2014
- Carlos Leroy
- Â Security Guard (uncredited) 1 episode, 2014
- Jon Daza
- Â Party Guest (uncredited) 1 episode, 2014