- Heath Ledger
- Tony
- Christopher Plummer
- Dr. Parnassus
- Verne Troyer
- Percy
- Andrew Garfield
- Anton
- Lily Cole
- Valentina
- Tom Waits
- Mr. Nick
- Johnny Depp
- Imaginarium Tony 1
- Jude Law
- Imaginarium Tony 2
- Colin Farrell
- Imaginarium Tony 3
- Peter Stormare
- The President of the Universe
- Maggie Steed
- LV Woman
- Mark Benton
- Dad
- Simon Day
- Uncle Bob
- Paloma Faith
- Sally
- Richard Riddell
- Martin
- Montserrat Lombard
- Sally's Friend
- Moya Brady
- Aunty Flo
- Terry Gilliam
- Director, Producer, Screenwriter
- Charles McKeown
- Screenwriter
- Amy Gilliam
- Producer
- Samuel Hadida
- Producer
- William Vince
- Producer
- David Valleau
- Executive Producer
- Victor Hadida
- Executive Producer
- Nicola Pecorini
- Cinematographer
- Mick Audsley
- Film Editing
- Jeff Danna
- Original Music
- Mychael Danna
- Original Music
- Anastasia Masaro
- Production Design
- Denis Schnegg
- Art Director
- Caroline Smith
- Set Decoration
- Shane Vieau
- Set Decoration
- Dan Hermansen
- Art Director
- Monique Prudhomme
- Costume Design
- Irene Lamb
- Casting
