- Jim Carrey
- Andy Kaufman
- J. Alan Thomas
- Bob Zmuda
- Jack Burns, Co-Executive Producer
- Max Alexander
- Harrah's Booker
- Peter Bonerz
- Ed. Weinberger - Taxi Producer
- Bobby Boriello
- Little Andy Kaufman
- Brent Briscoe
- Heavyset Technician
- Randall Carver
- Jeff Conaway
- Actor in Taxi Recreation (uncredited)
- Danny DeVito
- George Shapiro, Producer
- Tom Dreesen
- Wiseass Comic
- Budd Friedman
- Paul Giamatti
- Bob Zmuda
- Marilu Henner
- Actress in Taxi Recreation (uncredited)
- Judd Hirsch
- Actor in Taxi Recreation (uncredited)
- Angela Jones
- Hooker
- Carol Kane
- Actress in Taxi Recreation (uncredited)
- Jerry Lawler
- David Letterman
- Christopher Lloyd
- Actor in Taxi Recreation (uncredited)
- Courtney Love
- Lynne Margulies
- Norm Macdonald
- Michael Richards in 'Fridays' (uncredited)
- Lorne Michaels
- Greyson Erik Pendry
- Little Michael Kaufman
- Caroline Rhea
- Fridays Melanie
- Jim Ross
- Wrestling Commentator
- Vincent Schiavelli
- Maynard Smith
- Paul Shaffer
- Letterman Band (uncredited)
- Michael Villani
- Merv Griffin
- Milos Forman
- Director
- Scott Alexander
- Writer
- Larry Karaszewski
- Writer
- Danny DeVito
- George Shapiro, Producer
- Michael Shamberg
- Producer
- Stacey Sher
- Producer
- Michael Hausman
- Executive Producer
- George Shapiro
- Executive Producer
- Howard West
- Executive Producer
- Bob Zmuda
- Jack Burns, Co-Executive Producer
- Mike Mills
- Original Music
- Anastas N. Michos
- Cinematographer
- Adam Boome
- Film Editing
- Lynzee Klingman
- Film Editing
- Michael Stipe
- Original Music
- Christopher Tellefsen
- Film Editing
- Peter Buck
- Original Music
- Patrizia von Brandenstein
- Production Design
- James F. Truesdale
- Art Director
- Ray Kluga
- Art Director
- Maria Nay
- Set Decoration
- Karin Wiesel
- Set Decoration
- Scott Ferguson
- Associate Producer
- Jeffrey Kurland
- Costume Design
- Pamela Abdy
- Associate Producer
- Francine Maisler
- Casting