| Person | Type | Job | Role(s) |
|---|---|---|---|
 Chris McKenna | Crew | Writing | Screenplay |
 Hervé Schneid | Crew | Editing | Editor |
 John Robert Hoffman | Crew | Writing | Screenplay |
Max Howard | Crew | Production | Producer |
 Patrick Doyle | Crew | Sound | Original Music Composer |
 Steven Clay Hunter | Crew | Visual Effects | Animation |
Zoltán Maros | Crew | Visual Effects | Animation |
Loïc Rastout | Crew | Art | Production Design |
 Tony Leondis | Crew | Writing | Screenplay, Director |
Dimitri Toscas | Crew | Writing | Screenplay |
John D. Eraklis | Crew | Production | Producer |
Jean-Luc De Fanti | Crew | Production | Executive Producer |
Jamée Deruso | Crew | Production | Associate Producer |
Darius A. Kamali | Crew | Production | Associate Producer |
Matthew J. Parker | Crew | Production | Associate Producer |
Olivier Besson | Crew | Art | Art Direction |
 Arsenio Hall | Cast | Actor | Carl Cristall (voice) |
 Christian Slater | Cast | Actor | Dr. Schadenfreude's Igor (voice) |
 Eddie Izzard | Cast | Dr. Schadenfreude (voice) | |
 Frank Welker | Cast | Actor | Animals' vocal effects (voice) (uncredited) |
 James Lipton | Cast | Actor | Himself |
 Jay Leno | Cast | Actor | King Malbert (voice) |
 Jennifer Coolidge | Cast | Actress | Jaclyn / Heidi (voice) |
 Jess Harnell | Cast | Actor | Announcer / Royal Guard #2 (voice) |
 John Cleese | Cast | Actor | Dr. Glickenstein (voice) |
 John Cusack | Cast | Actor | Igor (voice) |
 Molly Shannon | Cast | Actress | Eva (voice) |
 Myleene Klass | Cast | Actress | Dr. Holzwurm (voice) |
 Paul Vogt | Cast | Actor | Buzz Offmann (voice) |
Robin Walsh | Cast | Dr. Holzwurm's Igor (voice) | |
 Sean Hayes | Cast | Actor | Brain (voice) |
 Steve Buscemi | Cast | Actor | Scamper (voice) |
Matt McKenna | Cast | Actor | Dr. Herzschlag (voice) |
A. Cheron Hall | Cast | Blind Orphan #2 / Blind Orphan #4 (voice) | |
Alexander Leondis | Cast | Blind Orphan #3 (voice) | |
Juliana Leondis | Cast | Blind Orphan #5 (voice) | |
Michael Leondis | Cast | Blind Orphan #6 (voice) | |
Nicole Leondis | Cast | Blind Orphan #7 (voice) | |
Robin Tisserand | Cast | Blind Orphan #8 (voice) | |
Sophia Eraklis | Cast | Blind Orphan #1 (voice) | |
Zoë Bright | Cast | Blind Woman / Killiseum Fan #1 (voice) | |
| Person | Type | Job | Role(s) |
