 | Jack Angel als Robert (voice) |
 | Jodi Benson als Lenee (voice) |
 | Nancy Cartwright als Todd (voice) |
 | Eddie Driscoll als Smithy (voice) |
 | Sarina C. Grant als Ms. Parmington (voice) |
 | Mark Hamill als Eric (voice) |
 | Clint Howard als Tug (voice) |
 | J. R. Horsting als Zeke (voice) |
 | Walter Jones als Ricky (voice) |
 | Robert Machray als Principal (voice) |
 | Andi Matheny als Debbie (voice) |
 | Paige O'Hara als Nicole (voice) |
 | Sherry Weston als Peg (voice) |
 | Debra Wilson als Great Grandma Fran (voice) |
 | April Winchell als Nana G.G. (voice) |
 | Grey DeLisle als Jenna |
| James DeLuca | Executive Producer |
| Sunnie Choi | Animation |
| John Mann | Animation |
| James E. Abner | Music Supervisor |
| Kevin Saunders Hayes | Music Director |
| Gary McLaughlin | Sound Designer |
| Courtney Dane | Production Coordinator |
| Bob Schulenberg | Storyboard |
| Amy Klein | Casting |
| Leonard Morpurgo | Publicist |
| Colin Slater | Director |
| Dave Calvert | Animation |
| Colin Slater | Writer |
| Trisha Koury-Stoops | Writer |
| Joseph Brad Kluge | Line Producer |
| Dave Edison | Editor |
| J. R. Horsting | Art Direction |
| Joseph Brad Kluge | Assistant Director |
| Colin Slater | Producer |
| Nancy Cartwright | Producer |
| J. R. Horsting | Producer |
| J. R. Horsting | Animation |
| Joseph Brad Kluge | Production Manager |
| Dave Edison | Animation |
| Kevin Saunders Hayes | Music |
| Chris Rose | Executive Producer |
| Damon Knight | Animation |
