 | Tara Strong als Timmy / Kid / Fairy #1 / Kid #1 (voice) |
 | Daran Norris als Cosmo / Jorgen / Dad (voice) |
 | Susanne Blakeslee als Wanda / Mom (voice) |
 | Grey DeLisle als Vicky / Principal Waxelplax (voice) |
 | Kevin Michael Richardson als Bad Guy / Business Man (voice) |
 | Jason Marsden als Chester (voice) |
 | Gary LeRoi Gray als AJ (voice) |
 | Carlos Alazraqui als Mr. Crocker / Ape #2 (voice) |
 | Dee Bradley Baker als Sanjay / Bippy / Binky / Fairy Private / Kid #2 (voice) |
 | Tom Kenny als Cupid / Another Kid / Food Cart Guy / Fairy Sergeant / Announcer (voice) |
 | Robert Costanzo als Easter Bunny/Construction Worker Ape/Ape Truck Driver (voice) |
 | Faith Abrahams als Francis / Ape #1 (voice) |
 | Butch Hartman als Flashback Boy / Web Eared Guy / Third Kid / Orderly (voice) |
 | Steve Marmel als Bowling Pin / Warthog (voice) |
| Steve Marmel | Writer |
| Butch Hartman | Writer |
| Butch Hartman | Director |
| John Fountain | Storyboard Artist |
| Ian Graham | Storyboard Artist |
| Heather Martinez | Storyboard Artist |
| Shawn Murray | Storyboard Artist |
| Chris Robertson | Storyboard Artist |
| Dave Thomas | Storyboard Artist |
| Butch Hartman | Storyboard Artist |
| Guy Moon | Music |
| Bob Boyle | Art Direction |
| Steve Marmel | Story Editor |