John Cleese, Michael Palin, Terry Jones and Terry Gilliam pay tribute to their late Monty Python colleague Graham Chapman in this hilarious, 3-D animated adaptation of Chapman's brazenly fictionalized life story.
| Actor | Role |
|---|---|
 Graham ChapmanSelf (voice) | Self (voice) |
 Terry GilliamVarious (voice) | Various (voice) |
 John CleeseVarious (voice) | Various (voice) |
 Michael PalinVarious (voice) | Various (voice) |
 Carol ClevelandVarious (voice) | Various (voice) |
 Cameron DiazSeigmund Freud (voice) | Seigmund Freud (voice) |
 Stephen FryOscar Wilde (voice) | Oscar Wilde (voice) |
 Philip BulcockDavid Sherlock (voice) | David Sherlock (voice) |
 Diana Kent(voice) | (voice) |
 Lloyd KaufmanUncle Lloyd (voice) | Uncle Lloyd (voice) |
 Tom HollanderRecording Engineer (voice) | Recording Engineer (voice) |
| MMargarita Doyle(voice) | (voice) |