- Steve Tom
- Â Ed Haligan / ... 22 episodes, 2010-2011
- Rob Huebel
- Â Cast (Holdup) / ... 13 episodes, 2010-2011
- Christine Scott Bennett
- Â Secretary 12 episodes, 2010
- Callie Cameron
- Â Secretary 12 episodes, 2010
- Lauren Lewis
- Â Secretary 12 episodes, 2010
- Maya Rudolph
- Â Self - Announcer 10 episodes, 2011
- Andrea Savage
- Â Rebecca / ... 7 episodes, 2010-2011
- Rob Riggle
- Â Taback / ... 7 episodes, 2010-2011
- Bree Condon
- Â Secretary 7 episodes, 2011
- Heidi Mueller
- Â Secretary 6 episodes, 2011
- Elicia Perkins
- Â Secretary 6 episodes, 2011
- Christina Cuenca
- Â Secretary 6 episodes, 2011
- Caite Upton
- Â Secretary 6 episodes, 2011
- Chris Parnell
- Â Soccer Dad (segment "Lady Refs") / ... 6 episodes, 2010-2011
- Paul Scheer
- Â Barry / ... 6 episodes, 2010-2011
- Tim Heidecker
- Â Cast (Just 3 Boyz) / ... 6 episodes, 2010-2011
- Eric Wareheim
- Â Behr / ... 6 episodes, 2010-2011
- Rich Fulcher
- Â Cast (Holdup) / ... 5 episodes, 2010
- Rachael Harris
- Â Cast (Holdup) / ... 5 episodes, 2010-2011
- Marc Evan Jackson
- Â Brick Novax (segment "Brick Novax's Diary") / ... 5 episodes, 2010-2011
- Thomas Lennon
- Â Richard / ... 5 episodes, 2010-2011
- Brandon Johnson
- Â Cast (Holdup) 5 episodes, 2010-2013
- David Neher
- Â David / ... 4 episodes, 2010-2014
- Jasper Cole
- Â Bj Man / ... 5 episodes, 2011
- Malin Akerman
- Â Cast (Holdup) 4 episodes, 2010
- Creed Bratton
- Â Cast (Holdup) 4 episodes, 2010
- Rachel Dratch
- Â Dirkson (segment "Lady Refs") 4 episodes, 2011
- Seth Morris
- Â Lt. Ducca (segment "United States Police Department") / ... 4 episodes, 2010-2011
- Liz Cackowski
- Â Kennedy (segment "Lady Refs") 4 episodes, 2011
- Ed Helms
- Â Cast (Holdup) 4 episodes, 2010
- Lennon Parham
- Â Jablonsky (segment "Lady Refs") 4 episodes, 2011
- Nate Lang
- Â Seth (segment "Lady Refs") 4 episodes, 2011
- Bill Hader
- Â Athletic Trainer (segment "Lady Refs") 4 episodes, 2011
- June Diane Raphael
- Â Det. Phuk (segment "United States Police Department") / ... 4 episodes, 2010-2011
- Jerry Minor
- Â Cast (Holdup) 4 episodes, 2010
- Kevin Grevioux
- Â Biker 4 episodes, 2010
- Ian Roberts
- Â Rollins 4 episodes, 2010
- Jonathan Stern
- Â Cast (Holdup) 4 episodes, 2010
- Scott Gairdner
- Â Krazee Thug Nutz (segment "Juggalo News") 4 episodes, 2011
- Patty Guggenheim
- Â Maxime Staton (segment "Brick Novax's Diary") / ... 4 episodes, 2010-2011
- Jennie Pierson
- Â Jennie / ... 4 episodes, 2010-2011
- Kate Walsh
- Â Rodriguez 4 episodes, 2010
- Lesley Tsina
- Â Donut Counterperson 4 episodes, 2010
- Alex Zubarev
- Â USA 4 episodes, 2010
- Mike O'Connell
- Â Self / ... 4 episodes, 2010
- Brian B. Ferretti
- Â The One Eyed Man 4 episodes, 2010-2011
- Philip Maurice Hayes
- Â Self - Announcer 4 episodes, 2011
- Romany Malco
- Â Tijuana Jackson (segment "Tijuana Jackson: Life Coach") 3 episodes, 2011
- Brett Gelman
- Â Nick (segment "Paco Dances") / ... 3 episodes, 2010-2011
- Peter Jason
- Â Skip Michaels (segment "Brick Novax's Diary") / ... 3 episodes, 2011
- Lindsay Sloane
- Â Actress Two (segment "Bathroom Conversations") / ... 3 episodes, 2011
- Paula Pell
- Â Paula (segment "Lady Refs") 3 episodes, 2011
- Johnny Ray Meeks
- Â Police Sergeant 3 episodes, 2010
- Adam West
- Â Adam West (segment "Adam West Hits on You... Hard") 3 episodes, 2011
- Fred Willard
- Â Professor / ... 3 episodes, 2010-2011
- Duncan Trussell
- Â Duncan (segment "Body Boys: Legend of the Pipers") / ... 3 episodes, 2010-2011
- Will Carsola
- Â Will / ... 3 episodes, 2010-2011
- David Koechner
- Â Jerry Prastis / ... 3 episodes, 2010-2011
- Dave Stewart
- Â Dave / ... 3 episodes, 2010-2011
- Maggie Shannon
- Â Spacebaby 3 episodes, 2010
- Lou Wagner
- Â Mission Control 3 episodes, 2010
- Bob Sokolowski
- Â Mission Control 2 3 episodes, 2010
- Eric Matikosh
- Â Jupiturd 3 episodes, 2010
- Decater James
- Â Army Recruiter (segment "Lady Refs") / ... 3 episodes, 2011
- Mitch Magee
- Â Mitchell (segment "Welcome to My Study") / ... 3 episodes, 2011
- Renee Albert
- Â Driver / ... 3 episodes, 2010-2011
- Ryan Stanger
- Â George Washington (segment "The Amazing Adventures of David and Jennie") 3 episodes, 2011-2013
- Matthew Solomon
- Â Dr.Wanker / ... 2 episodes, 2011
- Killebrew Mason
- Â Ms. Jenkins / ... 2 episodes, 2011
- Leo Allen
- Â Cast (The Slovin & Allen Show) 2 episodes, 2010
- Eric Slovin
- Â Cast (The Slovin & Allen Show) 2 episodes, 2010
- Josh Simpson
- Â Donut Shop Patron / ... 2 episodes, 2010
- Will Ferrell
- Â Grant Measum / ... 4 episodes, 2010-2018
- Derek Waters
- Â Derek / ... 2 episodes, 2010
- Brian Chapman
- Â Announcer (Segment "Brick Novax's Diary") / ... 2 episodes, 2010-2011
- Tom McComas
- Â Stunt Coordinator / ... 2 episodes, 2011
- Johanna Parker
- Â Ben's Friend (segment "Terrible Decisions") / ... 2 episodes, 2011
- Tom Arnold
- Â Forest Gump / ... 2 episodes, 2010-2012
- Angelina Armani
- Â Biker's Wife 2 episodes, 2010
- Terrell Ransom Jr.
- Â Africa / ... 2 episodes, 2010
- Kathryn Hahn
- Â Huntress (segment "Death Hunt") 2 episodes, 2011
- John C. Reilly
- Â John (segment "John and Will's Animal Choices") / ... 2 episodes, 2010-2011
- Eric Filipkowski
- Â Bartender / ... 2 episodes, 2010
- Will Forte
- Â Brown Eggz / ... 2 episodes, 2010
- Craig Anstett
- Â Anchor / ... 2 episodes, 2010
- Matt Dwyer
- Â Gerry Flesvig (segment "Men of Unquiet Desperation") / ... 2 episodes, 2010-2011
- Brian Petsos
- Â Samuel (segment "Sticky Minds") / ... 2 episodes, 2011
- Paul Erling Oyen
- Â Street Person 3 / ... 2 episodes, 2010-2011
- Natasha Leggero
- Â Natasha (segment "Body Boys: Legend of the Pipers") / ... 2 episodes, 2010-2011
- Peter Kline
- Â Paper Boy / ... 2 episodes, 2010
- Ted Newsome
- Â Drug Dealer / ... 2 episodes, 2010-2011
- Eddie Pepitone
- Â Guy on Couch / ... 2 episodes, 2010
- Alyssa Milano
- Â Nicole 'Snooki' Polizzi / ... 2 episodes, 2009-2013
- Jimmie 'JJ' Walker
- Â Johnson / ... 2 episodes, 2010-2011
- Eugene Cordero
- Â Ben's Friend (segment "Terrible Decisions") / ... 2 episodes, 2011-2013
- Clint Culp
- Â Electrician 2 episodes, 2010
- Lexi Belle
- Â Party OD Girl (segment "Paco Dances") / ... 2 episodes, 2011
- Jordan Olivia Bell
- Â Canada 2 episodes, 2010
- Dave Theune
- Â Mormon (segment "The Amazing Adventures of David and Jennie") 2 episodes, 2011-2013
- Tamar Feinkind
- Â Mother / ... 2 episodes, 2010
- Nathan Barnatt
- Â Partygoer / ... 2 episodes, 2010-2012
- Rae Sunshine Lee
- Â Cast Pastor Sunshine / ... 2 episodes, 2010
- Andre Hyland
- Â Street Person 1 / ... 1 episode, 2010
- Preston Bailey
- Â Sammy / ... 2 episodes, 2010-2011
- Michael William Arnold
- Â Ballet Son / ... 2 episodes, 2010-2011
- Stacey Oristano
- Â Miss Patrick 2 episodes, 2010
- Matthew Barry Ryan
- Â Doug 2 episodes, 2010
- Erica Dominguez
- Â Party Girl 3 / ... 2 episodes, 2010
- Kevin Brief
- Â Golfer 2 episodes, 2011
- D'Arcy Carden
- Â Jill Tigerman 2 episodes, 2013
- Jessica Jordan
- Â Actress / ... 2 episodes, 2015-2017
- Teri Hatcher
- Â Rebecca Tyler 1 episode, 2012
- Hilary Duff
- Â Hilary Duff 1 episode, 2012
- Kylie Minogue
- Â She-Ra 1 episode, 2013
- Kristen Bell
- Â Mary Poppins 1 episode, 2014
- Jason Mimms
- Â Test Object 1 episode, 2014
- Alfie Allen
- Â Skelly 1 episode, 2013
- Bree Olson
- Â Test Object 1 episode, 2014
- Ronin Peralta
- Â Michael 1 episode, 2014
- Daniele Passantino
- Â Female Dr. 1 episode, 2011
- Jessica
- Â Female Student 1 episode, 2011
- Lily Mae Silverstein
- Â Jane 1 episode, 2014
- Jason Kaye
- Â Test Object 1 episode, 2014
- Warren Sapp
- Â Warren (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Brandon Barrick
- Â Male Student 1 episode, 2011
- Erik Taylor
- Â Male Dr. 1 episode, 2011
- Madylin Sweeten
- Â Mad Doctor 1 episode, 2014
- Tim Meadows
- Â Skip Spence Raylon 1 episode, 2010
- Wayne Newton
- Â Self - Sleeping Celebrity 1 episode, 2010
- Anne Gregory
- Â Pale Lady (segment "Tijuana Jackson: Life Coach") 1 episode, 2011
- Deepak Chopra
- Â Deepak (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Daniel Pierce
- Â Announcer 1 episode, 2011
- Bram Belonsky-Stern
- Â Ghost Kid (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Ted Reis
- Â Strong Man 1 episode, 2014
- Steve Little
- Â Steve / ... 1 episode, 2010
- Kenneth Choi
- Â Spaghetti (segment "United States Police Department") 1 episode, 2011
- Sergio Calderón
- Â Janitor (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Baadja-Lyne Odums
- Â Momma Jackson (segment "Tijuana Jackson: Life Coach") 1 episode, 2011
- Tal Bergman
- Â Sales Clerk (segment "Tijuana Jackson: Life Coach") 1 episode, 2011
- Quang Huynh
- Â Thoos (segment "It's Gert") 1 episode, 2011
- Danny Gardner
- Â Fake Tom Cruise (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Zach Galifianakis
- Â Cast (Just 3 Boyz) 1 episode, 2010
- Danielle Schneider
- Â Girl at Bar 1 episode, 2010
- Toshi Toda
- Â Cast (The Slovin & Allen Show) 1 episode, 2010
- Robert Dassie
- Â Paul Samwell Smith Raylon 1 episode, 2010
- Ashley Johnson
- Â Girlfriend 1 episode, 2010
- Ben Stiller
- Â Ben (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Matthew Glave
- Â Panetti (segment "United States Police Department") 1 episode, 2011
- Gary Buckner
- Â Corpse in Car (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Mary Bly
- Â Gert (segment "It's Gert") 1 episode, 2011
- Stephanie Messiter
- Â Lifeguard (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Devencial Gilbert
- Â Lil Eric (segment "Tijuana Jackson: Life Coach") 1 episode, 2011
- Keith David
- Â Sleeping Celebrity 1 episode, 2010
- Reginald VelJohnson
- Â Cast (Just 3 Boyz) 1 episode, 2010
- Yoshio Be
- Â Cast (The Slovin & Allen Show) 1 episode, 2010
- Chuck Ford
- Â Chef 1 episode, 2010
- Cissy Fenwick
- Â Woman at Park 1 episode, 2010
- Ben Schwartz
- Â Ben (segment "Terrible Decisions") 1 episode, 2011
- Dale Dickey
- Â Prostitute (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Glynn Turman
- Â Chief Huckey (segment "United States Police Department") 1 episode, 2011
- Nicole J. Butler
- Â Sharea (segment "Tijuana Jackson: Life Coach") 1 episode, 2011
- Matt Moore
- Â Crime Minista Molotovsticlesz (segment "Juggalo News") 1 episode, 2011
- David Spade
- Â Raymond Davies Allen 1 episode, 2010
- Richard Lewis
- Â Shades 1 episode, 2010
- Maxine Pape
- Â Girl at Bar 1 episode, 2010
- Ed Begley Jr.
- Â Double-Chief O'Shambley (segment "United States Police Department") 1 episode, 2011
- Zach Callison
- Â Lonni Donovan (segment "United States Police Department") 1 episode, 2011
- Clint Gage
- Â Gashton Butcher (segment "Juggalo News") 1 episode, 2011
- Josh H. Etting
- Â Security Guard (segment "Tijuana Jackson: Life Coach") 1 episode, 2011
- Mateen Stewart
- Â Thug (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Nicky Whelan
- Â Sandoz Lilly 1 episode, 2010
- Wayne Grace
- Â Cast (The Slovin & Allen Show) 1 episode, 2010
- Brad Schulz
- Â Guy at Bar 1 episode, 2010
- Charles Sou
- Â Donut Boy 1 episode, 2010
- Elizabeth Peña
- Â Triple-Chief Rodrigomirez (segment "United States Police Department") 1 episode, 2011
- Mason Maddocks
- Â Jeremy (segment "United States Police Department") 1 episode, 2011
- Perry Adam Smith
- Â Adolf Satanfingerz (segment "Juggalo News") 1 episode, 2011
- Joe Buck
- Â The Legit Don Stitt 1 episode, 2010
- Kendall Mayhew
- Â Guy at Bar 1 episode, 2010
- Joe Richards
- Â Cast (The Slovin & Allen Show) 1 episode, 2010
- Gary Cole
- Â Lead FBI Agent (segment "Terrible Decisions") 1 episode, 2011
- Retta
- Â Black Woman (segment "Bathroom Conversations") 1 episode, 2011
- Seymour Cassel
- Â King of Police (segment "United States Police Department") 1 episode, 2011
- Hesley Harps
- Â Decapitatrix (segment "Juggalo News") 1 episode, 2011
- LP
- Â Girl at Bar 1 episode, 2010
- Mario Alverson
- Â Cast (The Slovin & Allen Show) 1 episode, 2010
- Matt Wyatt
- Â Blunts Assface (segment "Juggalo News") 1 episode, 2011
- Nadia Dajani
- Â Cast (The Slovin & Allen Show) 1 episode, 2010
- Dan Lauria
- Â Father 1 episode, 2010
- Ryan Perez
- Â Guy at Bar 1 episode, 2010
- Emily Paul
- Â Penelope 1 episode, 2010
- Leslie Bibb
- Â Girl One (segment "Bathroom Conversations") 1 episode, 2011
- Joe Nunez
- Â Manager 1 episode, 2010
- Richard Allan Jones
- Â Contest Judge 1 episode, 2010
- Clark DeVol
- Â Billy 1 episode, 2010
- Tara Reyes
- Â Lillian D'Amore 1 episode, 2010
- Adam Scott
- Â Narrator (segment "The Terrys") 1 episode, 2011
- Jack McBrayer
- Â Park Ranger (segment "Death Hunt") 1 episode, 2011
- Charlie Sanders
- Â Terry (segment "Paco Dances") 1 episode, 2011
- Andy Carey
- Â World Cup Scout (segment "Lady Refs") 1 episode, 2011
- Jake Szymanski
- Â Guy at Bar 1 episode, 2010
- Estalita Bodner
- Â Cast (Father and Son) 1 episode, 2010
- Rob Beaton
- Â The Beacon Street Band 1 episode, 2010
- Peter Serafinowicz
- Â Puppet (segment "The Terrys") 1 episode, 2011
- Matt Brady
- Â Bear (segment "Death Hunt") 1 episode, 2011
- Kayla Dillinger
- Â Hottie (segment "Lady Refs") 1 episode, 2011
- Busy Philipps
- Â Cute Girl 1 episode, 2010
- Michael J. Mancini
- Â Cast (Father and Son) 1 episode, 2010
- Stella Maeve
- Â Ann (segment "Jeff Baker: Jr. College Professor") 1 episode, 2011
- Dave Silva
- Â Doctor (segment "The Terrys") 1 episode, 2011
- Ranger
- Â Paco 1 episode, 2011
- 'Weird Al' Yankovic
- Â Cast (Holdup) 1 episode, 2010
- Mary Jane Bostic
- Â Waitress 1 episode, 2010
- Kylah Kim
- Â Asian Nurse 1 1 episode, 2010
- Andrew Feltenstein
- Â The Beacon Street Band 1 episode, 2010
- Brandon Jolly
- Â Cast (Father and Son) 1 episode, 2010
- America Ferrera
- Â Emmy Presenter (segment "Paco Dances") 1 episode, 2011
- Jon Polito
- Â Eddy (segment "United States Police Department") 1 episode, 2011
- Christopher Cantwell
- Â Phats Cockstrangla (segment "Juggalo News") 1 episode, 2011
- Benee Leavy
- Â Violinist (segment "Do You Want to See a Dead Body?") 1 episode, 2011
- Matt Walsh
- Â Producer 1 episode, 2010
- Nicolette Lacson
- Â Asian Nurse 2 1 episode, 2010
- Phillip Fisher
- Â The Beacon Street Band 1 episode, 2010
- Kian Mirnezam
- Â Cast (Father and Son) 1 episode, 2010
- Caitlin Pracha
- Â North Korea 1 episode, 2010
- Maria Menounos
- Â Talk Show Host (segment "Paco Dances") 1 episode, 2011
- Thomas Middleditch
- Â Woodshed Guy (segment "Bathroom Conversations") 1 episode, 2011
- Brian Huskey
- Â Shits Von Biggenheim (segment "Juggalo News") 1 episode, 2011
- Arthur Darbinyan
- Â Russian Mobster (segment "United States Police Department") 1 episode, 2011
- Conrad Angel Corral
- Â Man (segment "Songs for Our Dogs") 1 episode, 2011
- Marty Hrejsa
- Â Dave (segment "The Terrys") 1 episode, 2011
- Bud Cort
- Â Robert Rubbie 1 episode, 2010
- Michael Molthen
- Â Cast (Father and Son) 1 episode, 2010
- John Nau
- Â The Beacon Street Band 1 episode, 2010
- Tahor Graves
- Â Israel 1 episode, 2010
- Justin Penor
- Â Mexico 1 episode, 2010
- Henry Kang
- Â Baby 1 1 episode, 2010
- Maxim Knight
- Â Ducca's Son (segment "United States Police Department") 1 episode, 2011
- Doug Lussenhop
- Â Beach Whore (segment "Body Boys: Legend of the Pipers") 1 episode, 2011
- Karen Teliha
- Â Witch (segment "Crazy Town") 1 episode, 2011
- Reed Anthony
- Â Dog Singer #1 (segment "Song For Ours Dogs") 1 episode, 2011
- Kristen McGrath
- Â Slutty Neighbor (segment "The Terrys") 1 episode, 2011
- Karen Black
- Â Debbie Rubbie 1 episode, 2010
- Zayed Asaafiri
- Â Iran 1 episode, 2010
- Don Monroe
- Â Cast (Father and Son) 1 episode, 2010
- Madison Chang
- Â Baby 2 1 episode, 2010
- Colin Braese
- Â IMF 1 episode, 2010
- Colin Wolfe
- Â The Beacon Street Band 1 episode, 2010
- Gillian Vigman
- Â Gail (segment "Baby Boss") 1 episode, 2011
- Alyssa Julya Smith
- Â Super Hot Girl (segment "Paco Dances") 1 episode, 2011
- Jim Santangeli
- Â Military Voice (segment "Welcome to My Study") 1 episode, 2011
- Maray Ayres
- Â Dog Singer #2 (segment "Song For Ours Dogs") 1 episode, 2011
- Ryan Flynn
- Â Tickler Jerry (segment "Crazy Town") 1 episode, 2011
- Kristen McGrath
- Â Slutty Neighbor (segment "The Terrys") 1 episode, 2011
- Brody Stevens
- Â Announcer 1 episode, 2010
- Ashley Ausburn
- Â Cast (Magical Balloon) 1 episode, 2010
- Lauren Tsai
- Â Baby 3 1 episode, 2010
- Welton Paxton
- Â Cast (Father and Son) 1 episode, 2010
- Alexis Gorlick
- Â Iraq 1 episode, 2010
- Brian Gallivan
- Â Abraham Lincoln (segment "The Amazing Adventures of David and Jennie") 1 episode, 2011
- Sean Clements
- Â Eyes Poked Out Guy (segment "Paco Dances") 1 episode, 2011
- Matt Price
- Â Mike Prettyman (segment "Men of Unquiet Desperation") 1 episode, 2011
- Michael Ryan Truly
- Â Professor Ghostanus (segment "Juggalo News") 1 episode, 2011
- Kevin Dean
- Â Dog Singer #3 (segment "Songs for Our Dogs") 1 episode, 2011
- Kevin Dean
- Â Dog Singer #3 (segment "Song For Ours Dogs") 1 episode, 2011
- Bill Cleavelin
- Â Cast (Magical Balloon) 1 episode, 2010
- Roma Kubis
- Â Baby 4 1 episode, 2010
- Fionn James
- Â Gaza Strip 1 episode, 2010
- Joseph Ray
- Â Cast (Father and Son) 1 episode, 2010
- Carrie Clifford
- Â Jeanette (segment "Baby Boss") 1 episode, 2011
- Erin Pade
- Â Murderbitch (segment "Juggalo News") 1 episode, 2011
- Bill Graves
- Â Announcer (segment "Songs for Our Dogs") 1 episode, 2011
- Benjamin Gibbs
- Â Mr. Gibbs (segment "Baby Boss") 1 episode, 2011
- Crispin Glover
- Â Thomas Edison 1 episode, 2010
- Ron Roggé
- Â Cast (Father and Son) 1 episode, 2010
- Gwenhwyfar Reagan Hardy
- Â Cast (Magical Balloon) 1 episode, 2010
- Daisy Wong
- Â Baby 5 1 episode, 2010
- Patrick Keane
- Â Rabbit Man 1 episode, 2010
- Alison Becker
- Â Sandra (segment "The Amazing Adventures of David and Jennie") 1 episode, 2011
- Robert Ben Garant
- Â Navigator (segment "Terrorist On Flight 77") 1 episode, 2011
- Luenell
- Â Luenell (segment "The Burn Unit") 1 episode, 2011
- Joe Hartzler
- Â Mustard Bottle Mascot (segment "The Amazing Adventures of David and Jennie") 1 episode, 2011
- Nick Mundy
- Â Krunt (segment "Juggalo News") 1 episode, 2011
- Andy Paley
- Â Soundguy (segment "Men of Unquiet Desperation") 1 episode, 2011
- Deccan Hanuman
- Â Raj (segment "Baby Boss") 1 episode, 2011
- Taylor Cosgrove Scofield
- Â Cast (Father and Son) 1 episode, 2010
- Susanna Sandke
- Â Fairy 1 episode, 2010
- Momoka Miyashiro
- Â Baby 6 1 episode, 2010
- Natalie Miston
- Â Cast (Magical Balloon) 1 episode, 2010
- Zach Woods
- Â Stuart (segment "Welcome to My Study") 1 episode, 2011
- Paula Jai Parker
- Â Paula (segment "The Burn Unit") 1 episode, 2011
- Kosha Patel
- Â Lourdes (segment "Men of Unquiet Desperation") 1 episode, 2011
- Gian Molina
- Â Head of TSA (segment "Terrorist On Flight 77") 1 episode, 2011
- Brooke Shields
- Â Sleeping Celebrity 1 episode, 2010
- Richard Riehle
- Â Jerry / ... 1 episode, 2010
- Steve Berg
- Â Bouncer 1 episode, 2010
- Paul St. Peter
- Â Cast (Magical Balloon) 1 episode, 2010
- Barry Stern
- Â Cast (Father and Son) 1 episode, 2010
- Elise Neal
- Â Peaches (segment "The Burn Unit") 1 episode, 2011
- Brian T. Finney
- Â Pilot (segment "Terrorist On Flight 77") 1 episode, 2011
- Joshua Weinstein
- Â Office Extra (segment "Men of Unquiet Desperation") 1 episode, 2011
- Trevor Luce
- Â Jesus (segment "The Amazing Adventures of David and Jennie") 1 episode, 2011
- Jack Mackay
- Â Machete Pimp 4 Real (segment "Juggalo News") 1 episode, 2011
- Eric Edelstein
- Â Construction Worker 1 episode, 2010
- Lori Anne Shields
- Â Cast (Magical Balloon) 1 episode, 2010
- Andrew Neujahr
- Â Grim Reaper 1 episode, 2010
- Cameron Caldwell Thorpe
- Â Son 1 episode, 2010
- Anna Maria Horsford
- Â Anna Maria (segment "The Burn Unit") 1 episode, 2011
- Assaf Cohen
- Â Radio Man (segment "Terrorist On Flight 77") 1 episode, 2011
- Lizzy Cooperman
- Â Office Extra (segment "Men of Unquiet Desperation") 1 episode, 2011
- Bob Odenkirk
- Â Tommy Lynn Shay 1 episode, 2010
- Jason Nash
- Â Dale 1 episode, 2010
- Warren Stearns
- Â Cast (Magical Balloon) 1 episode, 2010
- Jeremy J. Tutson
- Â Mailman 1 episode, 2010
- Caleb Neujahr
- Â Little Boy 1 episode, 2010
- Elijah Wood
- Â James (segment "Boobie") 1 episode, 2011
- Jenny Robertson
- Â Female Flight Attendant (segment "Terrorist On Flight 77") 1 episode, 2011
- Marlon Young
- Â Samad (segment "The Burn Unit") 1 episode, 2011
- Jake Johnson
- Â Shirtless Man 1 episode, 2010
- Robert Axelrod
- Â Band Member 1 episode, 2010
- Troy Vincent
- Â Cast (Magical Balloon) 1 episode, 2010
- Paul Vaillancourt
- Â Bruce 1 episode, 2010
- John McKinney
- Â Blake 1 episode, 2010
- Heather Chadwell
- Â White Girl (segment "The Burn Unit") 1 episode, 2011
- Robbie Moore
- Â Flight Attendant 1 episode, 2011
- Lindsay Katai
- Â Partygoer 1 episode, 2010
- Jon Baggio
- Â Cast (Scott & Behr) 1 episode, 2010
- Jackson Benattar
- Â Tyler 1 episode, 2010
- Eric Helin
- Â Orderly 1 episode, 2010
- Adam Brody
- Â Roger (segment "Sticky Minds") 1 episode, 2011
- Eric Shani
- Â Male Flight Attendant #2 (segment "Terrorist On Flight 77") 1 episode, 2011
- Brent Kyle
- Â Partygoer 1 episode, 2010
- Luther Winston Fortinberry
- Â Cast (Scott & Behr) 1 episode, 2010
- Jeremy Konner
- Â Reporter 1 episode, 2010
- David 'Shark' Fralick
- Â Shark 1 episode, 2010
- Kristen Wiig
- Â Loretta (segment "Sticky Minds") 1 episode, 2011
- Anna Lee Lawson
- Â Prostitute 1 episode, 2010
- Audra Mae
- Â Partygoer 1 episode, 2010
- A.J. Culp
- Â Girl Scout 1 episode, 2010
- Chase Griffin
- Â Cast (Scott & Behr) 1 episode, 2010
- Jon Martin
- Â Businessman 1 episode, 2010
- Matt Flowers
- Â Partygoer 1 episode, 2010
- Scott Lee
- Â Cast (Scott & Behr) 1 episode, 2010
- Luis Sanchez
- Â Partygoer 1 episode, 2010
- Scott Perry
- Â Liquor Store Line 1 1 episode, 2010
- Valerie Querns
- Â Liquor Store Line 2 1 episode, 2010
- Peter Nuoffer
- Â Cast (Scott & Behr) 1 episode, 2010
- Hunter Dowd
- Â Partygoer 1 episode, 2010
- Whitney Allen
- Â Plain Girl 1 episode, 2010
- Sean Hackett
- Â Partygoer 1 episode, 2010
- Thomas Obeid
- Â Cast (Scott & Behr) 1 episode, 2010
- Chris Rock
- Â Liquor Store Line 3 1 episode, 2010
- Jacob Womack
- Â Partygoer 1 episode, 2010
- Brad Parkinson
- Â Cast (Scott & Behr) 1 episode, 2010
- Sergio Cilli
- Â Partygoer 1 episode, 2010
- Ron Ransen
- Â Cast (Scott & Behr) 1 episode, 2010
- Mike Mayfield
- Â Street Person 2 1 episode, 2010
- Bob Ross
- Â Cast (Scott & Behr) 1 episode, 2010
- Marlene Maginot
- Â Partygoer 1 episode, 2010
- R.J. Pomeroy
- Â Partygoer 1 episode, 2010
- Anne Reiman
- Â Partygoer 1 episode, 2010
- Caitlin Webster
- Â Party Girl 1 1 episode, 2010
- Mike Matzke
- Â Partygoer 1 episode, 2010
- Dallas Malloy
- Â Bodybuilder Girl 1 episode, 2010
- Noam Bleiweiss
- Â Partygoer 1 episode, 2010
- Chris 'The Stuntman' Lambert
- Â Bathroom Guy 1 episode, 2010
- Erin Shea
- Â Partygoer 1 episode, 2010
- T. Sean Shannon
- Â Self 1 episode, 2010
- Lyle Andrew
- Â Partygoer 1 episode, 2010
- Rich Heichel
- Â Partygoer 1 episode, 2010
- Antonia Romeo
- Â Will's Wife 1 episode, 2010
- Tim Bagley
- Â Mr. Stern 1 episode, 2010
- Charlie Koechner
- Â Jerry's Son 1 episode, 2010
- Denise Richards
- Â Denise Richards 1 episode, 2013
- Lindsay Lohan
- Â Lindsay Lohan 1 episode, 2009
- Tiffani Thiessen
- Â Tiffani Amber Thiessen 1 episode, 2009
- Brady Smith
- Â Brady Smith 1 episode, 2009
- Laci Mercede
- Â Birthday Girl 1 episode, 2013
- Megan Fox
- Â Megan Fox 1 episode, 2010
- Ashley Johnson
- Â Girlfriend 1 episode, 2010
- Brian Austin Green
- Â Brian Austin Green 1 episode, 2010
- Geoff Stults
- Â Jack Slater 1 episode, 2010
- Jon Daly
- Â Jon 1 episode, 2010
- James Urbaniak
- Â James 1 episode, 2010
- Steve Agee
- Â Steve 1 episode, 2010
- Jewel
- Â Jewel 1 episode, 2010
- Camille Solari
- Â Reporter Lucy Shmoo 1 episode, 2010
- Jake Johnson
- Â Ricky 1 episode, 2010
- Gina Juliet
- Â Waitress 1 episode, 2010
- Brennan Bailey
- Â School Boy 1 episode, 2010
- Frank Black
- Â Self 1 episode, 2010
- Ariana Guido
- Â Improv Sketch 1 episode, 2010
- Anne Son
- Â Mishio Yukima 1 episode, 2010
- Bennie Arthur
- Â Audience Member 1 episode, 2010
- Sophie Lachman
- Â Student 1 episode, 2010
- Rachae Thomas
- Â Sunshine Holloway 1 episode, 2010
- Lauren Rose Lewis
- Â Secretary 1 episode, 2010
- Eric Rywalski
- Â Milan Valchev 1 episode, 2010
- Lais Pedroso
- Â Self 1 episode, 2010
- Mike Davis
- Â Cloud Trumpson 1 episode, 2010
- Clyde Tull
- Â Father 1 episode, 2010
- Daniel Okeefe
- Â Peterson 1 episode, 2010
- Matt Manser
- Â Audience Member 1 episode, 2010
- Louk Goldberg
- Â Diabetic Student 1 episode, 2010
- Donald S. Wilson
- Â Principal 1 episode, 2010
- Jeff Duncan
- Â Speed Olivetti 1 episode, 2010
- Simon Millar
- Â Police Officer #2 1 episode, 2010
- Jesse Heiman
- Â Lap Guy 1 episode, 2011
- Katie Malia
- Â Robot (segment "Crazy Town") 1 episode, 2011
- Mercedes Rose
- Â Voice over 1 episode, 2011
- Annie Girard
- Â Lady Robotula 1 episode, 2011
- Laura Jacobs
- Â SACS Girl 1 episode, 2011
- Josh Covitt
- Â FBI Agent (segment "Terrible Decisions") 1 episode, 2011
- Ryan Scott Warren
- Â Batman, Lawn Guy 1 episode, 2011
- Branden Anthony Bayless
- Â Gangster 1 episode, 2011
- Matt Wheeler
- Â Bathroom Guy 1 episode, 2011
- Zachary Alexander Rice
- Â Sammy 1 episode, 2011
- JT Palmer
- Â Mailman 1 episode, 2011
- Sara Rehnmark
- Â Robot (segment "Crazy Town") 1 episode, 2011
- Rob Gotobed
- Â Celebrity Allstars Song / ... 1 episode, 2011
- Sari Melain
- Â SACS Girl 1 episode, 2011
- Tarik Ellinger
- Â Gerald's Son 1 episode, 2011
- Jenny Star Shackleton
- Â Sally McFartlin 1 episode, 2011
- Dustin Andrew Jones
- Â Gangster 1 episode, 2011
- Niko Bayless
- Â Gangster 1 episode, 2011
- Alexander Kerr
- Â Gamer 1 episode, 2011
- Gavin Pease
- Â Dinosaur 1 episode, 2011
- Paul Damien Dios
- Â Dino 1 episode, 2011
- Selena Gomez
- Â Woman 1 episode, 2012
- Alia Shawkat
- Â Chuckie Finster 1 episode, 2012
- Sarah Ramos
- Â Lil Deville / ... 1 episode, 2012
- Mae Whitman
- Â Angelica Pickles 1 episode, 2012
- Michael Angarano
- Â Grandpa Lou Pickles / ... 1 episode, 2012
- Nick Kroll
- Â Carl Blue 1 episode, 2012
- Debbie Gibson
- Â Self 1 episode, 2012
- Molly Jackson
- Â Bonnie-Ray Lewis Stump 1 episode, 2012
- Julie Brister
- Â TV's Justice Gillepie 1 episode, 2012
- Carmina Garay
- Â Brooklyn Tyler 1 episode, 2012
- Joel Spence
- Â Tennis Judge Slim Simpson 1 episode, 2012
- Martin Dew
- Â His Honorable Heathcliff Rogerwaters 1 episode, 2012
- Kinna Lindahl
- Â Sexy Scientist 1 episode, 2012
- Kenlyn Kanouse
- Â Old woman 1 episode, 2012
- Anna Kendrick
- Â Anna Kendrick 1 episode, 2013
- Samuel L. Jackson
- Â Self - Host 1 episode, 2013
- Jermaine Fowler
- Â The Dealer 1 episode, 2013
- Krystal Jung
- Â Krystal Jung 1 episode, 2013
- Sulli Choi
- Â Sulli Choi 1 episode, 2013
- Victoria Song
- Â Victoria Song 1 episode, 2013
- Amber Liu
- Â Amber Liu 1 episode, 2013
- f(x)
- Â F(x) 1 episode, 2013
- Andrew Grissom
- Â Ambulance EMT 1 episode, 2013
- Luna Park
- Â Luna Park 1 episode, 2013
- Sanangel Martinez
- Â Sanangel Martinez 1 episode, 2013
- Kevin Winebold
- Â Horned Athlete 1 episode, 2013
- Will Allen
- Â Self 1 episode, 2013
- Jennette McCurdy
- Â Jennette McCurdy 1 episode, 2014
- Essie Davis
- Â Amelia 1 episode, 2014
- Johnny Knoxville
- Â Luke Duke 1 episode, 2014
- Jessica Simpson
- Â Daisy Duke 1 episode, 2014
- Noah Wiseman
- Â Samuel 1 episode, 2014
- Vinny DeGennaro
- Â Soldier 1 episode, 2014
- Isai Devine
- Â Baby Terry Crews 1 episode, 2014
- James McDonough
- Â Kyle 1 episode, 2014
- J.J. Shin
- Â Baby Jet Li 1 episode, 2014
- Mandell Frazier
- Â Mandell Frazier 1 episode, 2015
- R.L. Stine
- Â R.L. Stine 1 episode, 2016
- Brie Larson
- Â Frime Haim 1 episode, 2017
- Udo Kier
- Â Admiral Codi 1 episode, 2017
- Alana Haim
- Â Alana Haim 1 episode, 2017
- Michael McGrady
- Â Moe 1 episode, 2017
- Este Haim
- Â Este Haim 1 episode, 2017
- Danielle Haim
- Â Danielle Haim 1 episode, 2017
- Carnie Wilson
- Â Mrs. Haim 1 episode, 2017
- Linda Rich
- Â Jan 1 episode, 2017
- Alex Parks
- Â Bartender 1 episode, 2017
- Eliza Hooper
- Â Doctor 1 episode, 2017
- Ryan Coopersmith
- Â Ian 1 episode, 2017
- Keishla Rivera-Estrada
- Â Creature 1 episode, 2017
- Josh Brown
- Â Teedo 1 episode, 2017
- Afra Sophia Tully
- Â Lion Girl 1 episode
- Hunter Payton Mendoza
- Â Lemur Boy 1 episode
- Danny DeVito
- Â Danny DeVito (uncredited) 2 episodes, 2007-2018
- Rob McElhenney
- Â Rob McElhenney (uncredited) 1 episode, 2007
- Charlie Day
- Â Charlie Day (uncredited) 1 episode, 2007
- Rhea Perlman
- Â Rhea Perlman (uncredited) 1 episode, 2007
- Fred Savage
- Â Self (uncredited) 1 episode, 2007
- Kat Bardot
- Â Self - Hair Stylist (uncredited) 1 episode, 2009
- Shauna O'Toole
- Â Self - Makeup Artist (uncredited) 1 episode, 2009
- Matt Lucas
- Â Graham Rhys Grahamcox (uncredited) 1 episode, 2010
- Rachel Sterling
- Â Bianca Jaguar (uncredited) 1 episode, 2010
- Matt Besser
- Â Extra (uncredited) 1 episode, 2010
- Owen Burke
- Â Dr. Stephen Daldry (uncredited) 1 episode, 2010
- Gabriel Rydel-Jurgens
- Â Jeremiah Oblongata (uncredited) 1 episode, 2010
- Andrew Graves
- Â Funeral Attendee (uncredited) 1 episode, 2011
- Taylor Orci
- Â Jane (uncredited) 1 episode, 2012
- Ally Downs
- Â Elsa (uncredited) 1 episode, 2012
- Allison Hord
- Â Aly (uncredited) 1 episode, 2012
- Brian Lane
- Â Aly (Photo) (uncredited) 1 episode, 2012
- Veronica Scheyving
- Â Antique Road Show Guest (uncredited) 1 episode, 2013
- Mike Mitchell
- Â Homeless Man?? - Producer (uncredited) 1 episode, 2014
- Matt Thompson
- Â Mike Ok (uncredited) 1 episode, 2014