 |
James Woods as Gloomius Maximus (voice) |
 |
Kyle Fairlie as Spaceboy / Young Dad (voice) |
|
Joshua Tucci as Billy Bevel (voice) |
 |
Kristen Bone as Zowie (voice) |
|
Cole Caplan as Olie (voice) |
|
Rob Smith as Spot / Spacedog (voice) |
 |
Catherine Disher as Mom / TV Journalist (voice) |
|
Rebecca Brenner as Pollie Pi (voice) |
 |
Noah Reid as Screwy (voice) |
 |
Al Mukadam as Wheelie (voice) |
|
Len Carlson as Pappy / TV Announcer (voice) |
 |
Adrian Truss as Dad / Gizmo (voice) |
 |
Michael Cera as Young Gizmo (voice) |
|
Paul Haddad as Willy Jollie (voice) |
 |
Juan Chioran as Wally Jollie (voice) |
 |
Neil Crone as Doctor Geary (voice) |
 |
Philip Williams as Baxter (voice) |
 |
Ellen-Ray Hennessy as Bonita (voice) |
 |
Sunday Muse as Binky (voice) |
 |
Jake Goldsbie as Junior Littlegreen (voice) |
 |
Richard Binsley as Gene Littlegreen (voice) |
| Directing | Ron Pitts | Director |
| Writing | Nadine Van der Velde | Writer |
| Production | William Joyce | Executive Producer |
| Sound | Pete Coulman | Original Music Composer |
