- Jesse Metcalfe - Self
- Nicole Richie - Self
- Amber Valletta - Self
- Joss Stone - Self
- Zoe Saldaña - Self
- Adam Goldstein - Self
- Missy Elliott - Self
- Proof - Self
- Eddie Griffin - Self
- Stephen Dorff - Self
- Britney Spears - Self
- Trishelle Cannatella - Self
- Jon Abrahams - Self
- Oscar de la Hoya - Self
- Adam Brody - Self
- Chris Klein - Self
- Amy Davidson - Self
- Carmen Electra - Self
- Tommy Lee - Self
- Ashanti - Self
- Carter Jenkins - Self
- Big Boi - Self
- Halle Berry - Self
- Nicollette Sheridan - Self
- Ashley Parker Angel - Self
- Rihanna - Self
- Olivia Wilde - Self
- Mischa Barton - Self
- Daddy Yankee - Self
- Neve Campbell - Self
- Pete Wentz - Self
- Shaquille O'Neal - Self
- Simon Cowell - Self
- Thora Birch - Self
- Ja Rule - Self
- Adrien Brody - Self
- Jermaine O'Neal - Self
- Billy Boyd - Self
- Serena Williams - Self
- Chingy - Self
- Shaun White - Self
- Kirsten Dunst - Self
- Salma Hayek Pinault - Self
- Rachel Bilson - Self
- Marques Houston - Self
- Ciara - Self
- Pierce Brosnan - Self
- Jessica Simpson - Self
- Carey Hart - Self
- Mandy Moore - Self
- Matthew Perry - Self
- Jeremy Sisto - Self
- Julia Stiles - Self
- Tara Reid - Self
- Nick Carter - Self
- Usher - Self
- Bill Goldberg - Self
- Dave Mirra - Self
- Taye Diggs - Self
- Michelle Trachtenberg - Self
- Michael Sheen - Self
- Hugh Jackman - Self
- Elijah Wood - Self
- Hayden Panettiere - Self
- Hayden Panettiere - Self - Host
- Jaime Bergman - Self
- Tony Hawk - Self
- Mike Jones - Self
- Sean Paul - Self
- Paul Lévesque - Self
- Game - Self
- Sofía Vergara - Self
- Ryan Cabrera - Self
- Allen Iverson - Self
- Shad Moss - Self
- Brittany Snow - Self
- Jon Heder - Self
- Zach Braff - Self
- Eva Longoria - Self
- Michelle Rodríguez - Self
- Andy Roddick - Self
- Vanessa Carlton - Self
- Ray Liotta - Self
- Pink - Self
- Jessica Alba - Self
- Rosario Dawson - Self
- Eliza Dushku - Self
- Danny Masterson - Self
- Nick Lachey - Self
- Eve - Self
- Tisha Campbell - Self
- Kaley Cuoco - Self
- Dave Navarro - Self
- Kanye West - Self
- Hilary Duff - Self
- Rose McGowan - Self
- Lindsay Lohan - Self
- Amber Tamblyn - Self
- Rachael Leigh Cook - Self
- Kate Beckinsale - Self
- Terrell Owens - Self
- Venus Williams - Self
- Bam Margera - Self
- Bam Margera - Self - Host
- Kristen Bell - Self
- Avril Lavigne - Self
- Raven-Symoné - Self
- T.I. - Self
- Laura Prepon - Self
- Tyrese Gibson - Self
- Riley Hawk - Self
- Eric Balfour - Self
- Omarion - Self
- Donald Faison - Self
- Kid Rock - Self
- Jack Osbourne - Self
- Tom Arnold - Self
- Wilmer Valderrama - Self
- Tichina Arnold - Self
- Benji Madden - Self
- Lara Flynn Boyle - Self
- Beyoncé - Self
- André 3000 - Self
- Rob Thomas - Self
- David Boreanaz - Self
- Ellen Pompeo - Self
- George Lopez - Self
- Jesse McCartney - Self
- Jessica Biel - Self
- Jamie-Lynn Sigler - Self
- Tori Amos - Self
- Seth Green - Self
- Sharon Osbourne - Self
- Tyra Banks - Self
- Jaime Pressly - Self
- Johnathon Schaech - Self
- Justin Timberlake - Self
- Frankie Muniz - Self
- Christina Applegate - Self
- Justin Bieber - Host
- Taylor Swift - Self
- Rob Dyrdek - Self
- Ronnie Ortiz-Magro - Self
- Tyler Posey - Self
- Tyler, The Creator - Host
- Tyler, The Creator - Self
- Dianna Agron - Self
- Zac Efron - Self
- Snooki - Self
- Shenae Grimes-Beech - Self
- Siva Kaneswaran - Self
- Max George - Self
- Jay McGuiness - Self
- Miley Cyrus - Self
- Miley Cyrus - Host
- Tom Parker - Self
- Nathan Sykes - Self
- Lucy Hale - Host
- Vanessa Hudgens - Self
- Ian Harding - Self
- Josh Hutcherson - Self
- Nick Cannon - Self - Host
- Ashley Tisdale - Self
- Demi Lovato - Self
- Chloë Grace Moretz - Self
- Metta Sandiford-Artest - Self
- Lauren Conrad - Self
- Liam Hemsworth - Self
- Kelly Osbourne - Self
- Khloé Kardashian - Self
- Heather Morris - Self
- Joe Jonas - Self
- Cody Simpson - Self
- Emma Roberts - Self
- Kellan Lutz - Host
- Julianne Hough - Self
- Ashley Rickards - Self
- Aimee Teegarden - Self
- Drake - Self
- Kim Kardashian - Self
- Wiz Khalifa - Self
- Neil Patrick Harris - Self
- Bucky Lasek - Self
- Nelly Furtado - Self
- Evangeline Lilly - Self
- Chuck Liddell - Self
- Freddy Rodríguez - Self
- Molly Sims - Self
- Magic Johnson - Self
- Meagan Good - Self
- Jewel - Self
- Frankie J - Self
- JoJo - Self
- Kelly Rowland - Self
- Jason Ritter - Self
- Pitbull - Self
- Kelis - Self
- Aly Michalka - Self
- John Cena - Self
- Kerr Smith - Self
- Stephen Colletti - Self
- Ne-Yo - Self
- Doug Robb - Self
- Stacy Keibler - Self
- Elisha Cuthbert - Self
- Chris Brown - Self
- Sonny Sandoval - Self
- E-40 - Self
- Matt Leinart - Self
- Travis Pastrana - Self
- Sugar Ray Leonard - Self
- Hannah Teter - Self
- Eric Dill - Self
- Bernie Mac - Self
- Kaine - Self
- D-Roc - Self
- Justin Long - Self
- DJ Qualls - Self
- Telisha Shaw - Self
- Macy Gray - Self
- Andy Hurley - Self
- Patrick Stump - Self
- Joe Trohman - Self
- Akon - Self
- Jason Bateman - Self
- Ben McKenzie - Self
- Dax Shepard - Field Agent
- Dax Shepard - Self
- Dax Shepard - Self - Host
- Mila Kunis - Self
- Lisa Leslie - Self
- Mario - Self
- Jadakiss - Self
- Ashlee Simpson - Self
- Steve Austin - Self
- Vivica A. Fox - Self
- Dwayne Johnson - Self
- Jennifer Love Hewitt - Self
- Warren Sapp - Self
- Brandy Norwood - Self
- Mekhi Phifer - Self
- Mike Shinoda - Self
- Shannon Elizabeth - Self
- Jena Malone - Self
- Tasha Smith - Self
- Katie Holmes - Self
- Tracy Morgan - Self
- Mya - Self
- Jason Goldberg - Self
- Christina Aguilera - Self
- Pamela Anderson - Self
- Shawn Levy - Self
- Denise Richards - Self
- Jessica Meza - Woman Getting Tattoos
- Mark Holmes - Self
- B.J. Novak - Field Agent
- B.J. Novak - Self
- Gavin Boyd - Self
- Bille Woodruff - Self
- Kristian Bernard - Nevada Federal Agent
- Jackamoe Buzzell - FBI
- Al Shearer - Undercover Agent
- Al Shearer - Ashton's 'Assistant'
- Lacey Chabert - Self
- Ryan Pinkston - Field Agent
- Ryan Pinkston - Interviewer
- Erika Christensen - Self
- Christina R. Copeland - Self
- Olivia Lee - Field Agent
- Dominic Monaghan - Self
- Brittany Murphy - Self
- Pauly Shore - Self
- Cullen G. Chambers - Field Agent
- Joanne Rubino - Dorothy
- Busta Rhymes - Self
- Liza del Mundo - Foreign Correspondent
- Jill Wagner - Field Agent
- Stephen Rannazzisi - Field Agent
- Stephen Rannazzisi - Self
- McG - Self
- Ahmed Ahmed - Field Agent
- Robert Catrini - Irate Dad
- Jamie Strange - Self
- Cameron Lee - Tourist
- Penélope Cruz - Self
- Jeannette Weegar - Self
- Jeannette Weegar - Field Agent
- Robert Downey Jr. - Self
- Kathleen Mackey - Self
- Joel Silver - Self
- Jonathan Tucker - Self
- Henry Simmons - Self
- Phillip Bloch - Self
- Dulé Hill - Self
- Taryn Manning - Self
- Maria Menounos - Self
- Brandon Johnson - Field Agent
- Brandon Johnson - Self
- Brandon Johnson - Brandon
- Alicia Silverstone - Self
- Kaitlin Olson - Field Agent
- Jasper Cole - Motel clerk
- Anissa Davis - Orphan
- Jesse James - Self
- Sam Sarpong - Self
- Scott L. Schwartz - Irate Truck Driver
- Howard Deutch - Self
- Chene Lawson - Field Agent
- Charles Lewis - Guard
- Josh Schwartz - Self
- Whitney Cummings - Field Agent
- F. Gary Gray - Self
- Vince Green - Field Agent
- Rob Pinkston - Field Agent
- Adam Logan - Field Agent
- Brian Fitzpatrick - LAPD Officer
- Ray J - Self
- Jeff Lam - Self
- Guy Stevenson - Self
- Rob Bourdon - Self
- Brad Delson - Self
- Patrick Fugit - Self
- Mary Elise Hayden - Hot 'Underaged' Girl
- Joseph D. Reitman - Self
- Joel Madden - Self
- Dana Goodman - Field Agent
- Dirk Nowitzki - Self
- Julia Lea Wolov - Field Agent
- Brian Fitzpatrick - LAPD Officer
- Kellee Stewart - Self
- Michael Finley - Self
- Stephan Jenkins - Self
- Jordan Black - Various
- Jasmine Dustin - Self
- Bill Hader - Field Agent
- Dan Heder - Self
- Nicol Paone - Art Gallery Owner
- Gabriel Tigerman - Field Agent
- Ana Lenchantin - Self
- Vanessa Gomez - Self
- Randy Jackson - Self
- Ryan Seacrest - Self
- Todd Bridges - Self
- Peter Abbay - Mob Boss
- Richard Rubin - Self
- Constance Marie - Self
- Aldo Gonzalez - Tattooed Biker
- Ramsey Moore - Santa Claus
- Ramsey Moore - Choking Man
- Ramsey Moore - Store Owner
- Bolt Birch - Self
- Anthony Martins - Criminal
- Danny Comden - Self
- Chris Elwood - Self
- Chris Elwood - Field Agent
- Masi Oka - Translator
- James Evans - Restaurant Manager
- James Evans - Construction Worker
- Stephanie McMahon - Self
- Will Matthews - Self
- Will Matthews - Field Agent
- Sarah Jayne Jensen - Field Agent
- Brian Shortall - Field Agent
- Kelly Monaco - Self
- Kristin Cavallari - Self
- Harry Zinn - Investor
- Harry Zinn - Restaurant Patron
- Harry Zinn - Garage Manager
- Harry Zinn - Limousine Driver
- Chris Owens - Boy
- Robert Parks-Valletta - Celebrity Assistant
- Kevin Mann - Self
- Ashley Greene - Girlfriend
- Kwesi Boakye - Self
- Carmelo Anthony - Self
- Mac Miller - Host
- Travis Barker - Self
- Too $hort - Self
- Vanessa Lengies - Self
- Kofi Siriboe - Self
- Kevin Richardson - Self
- Candice King - Self
- Evan Rachel Wood - Self
- Sean Kingston - Self
- Royal Binion - Reporter
- Irina Voronina - Crazy Girl
- Kwame Boateng - Kid
- Rebeka Montoya - Housekeeper
- Hilary Swank - Self
- Chamillionaire - Self
- Keith Oney - Security / Goon
- Ashton Kutcher
- Jason Goldberg
Pierce Brosnan interpreta a Self en la serie.
Billy Boyd hace el papel de Self.
Dominic Monaghan interpreta a Self en la serie.
Katie Holmes hace el papel de Self.
Salma Hayek Pinault interpreta a Self en la serie.
Mekhi Phifer interpreta a Self en la serie.
Brittany Murphy hace el papel de Self.
Bernie Mac interpreta a Self en la serie.
Thora Birch interpreta a Self en la serie.
Elijah Wood hace el papel de Self.
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