- Jim Carrey
- The Cable Guy
- Matthew Broderick
- Steven M. Kovacs
- Leslie Mann
- Robin Harris
- Jack Black
- Rick
- George Segal
- Steven's Father
- Diane Baker
- Steven's Mother
- Ben Stiller
- Sam Sweet / Stan Sweet
- Eric Roberts
- Eric Roberts
- Janeane Garofalo
- Medieval Times Waitress
- Andy Dick
- Medieval Times Host
- Harry O'Reilly
- Steven's Boss
- David Cross
- Sales Manager
- Amy Stiller
- Steven's Secretary
- Owen Wilson
- Robin's Date
- Keith Gibbs
- Basketball Player
- Tommy Hinkley
- Basketball Player
- Shawn Michael Howard
- Basketball Player
- Jeff Kahn
- Basketball Player
- Suli McCullough
- Basketball Player
- Jeff Michalski
- Basketball Player
- Joel Murray
- Basketball Player
- Andrew Shaifer
- Basketball Player
- Cameron Starman
- Cable Boy
- Kathy Griffin
- Cable Boy's Mother
- Greg Hopla
- Medieval Times Fighter
- John Ferdinand
- Medieval Times Fighter
- Misa Koprova
- Heather
- Paul Greco
- Raul
- Aki Aleong
- Karaoke Party Guest
- Dona Hardy
- Karaoke Party Guest
- Lloyd Kino
- Karaoke Party Guest
- Sara Lowell
- Karaoke Party Guest
- Cynthia Mason
- Karaoke Party Guest
- Michael Rivkin
- Karaoke Party Guest
- Harper Roisman
- Karaoke Party Guest
- Sandra Thigpen
- Karaoke Party Guest
- Sean Whalen
- Karaoke Party Guest
- Marty Zagon
- Karaoke Party Guest
- Cynthia LaMontagne
- Restaurant Hostess
- James O'Connell
- Bathroom Attendant
- Douglas Robert Jackson
- Bathroom Patron
- Charles Napier
- Arresting Officer
- Christopher Michael
- Arresting Officer
- Charles Robinson
- Steven's Lawyer
- John F. O'Donohue
- Prison Guard
- Lydell M. Cheshier
- Jail Inmate
- Jason Larimore
- Jail Inmate
- Ahmad Reese
- Jail Inmate
- Emilio Rivera
- Jail Inmate
- Bob Odenkirk
- Steven's Brother
- Julie Hayden
- Steven's Sister
- Annabelle Gurwitch
- Steven's Sister-in-Law
- Blake Boyd
- Steven's Brother-in-Law
- Liza D'Agostino
- Newsroom Researcher
- Tabitha Soren
- Tabitha Soren
- Rikki Klieman
- Rikki Klieman
- Robert Simels
- Robert Simels
- Leonard O. Turner
- Sam Sweet Judge
- Carlo Allen
- Sam Sweet Court Judge
- Conrad Janis
- Father 'Double Trouble'
- Thomas Scott
- Sam Sweet - Age 8
- Steven Scott
- Stan Sweet - Age 8
- Christine Devine
- Anchor Woman
- Mark Thompson
- Newsroom Reporter
- Wendy L. Walsh
- Reporter Outside Courtroom
- Marion Dugan
- Robin's Neighbor
- Kyle Gass
- Couch Potato
- David Bowe
- Helicopter Paramedic
- Robert 'Bobby Z' Zajonc
- Medevac Pilot
- Jeremy Applegate
- Serf #4
- Barbara Babbin
- Bar Patron
- Bill Clinton
- Self
- Adam Consolo
- Serf #2
- Hal Dion
- Lead Officer
- Mark Fite
- Medieval Times Knight
- Jenny Inge
- Cocktail Waitress
- Shann Johnson
- (uncredited)
- Andre Lachaumette
- Prison visitor
- Alex D. Linz
- Tony
- John C. Moskoff
- Karaoke Party Guest
- Robert Lyon Rasner
- Serf #3
- Raydeen Revilla
- Karaoke Video Dancer
- David Stepkin
- Karaoke Party Guest
