 | Ross Bagdasarian, Jr. als Alvin Seville / Simon Seville / Dave Seville (voice) |
 | Dee Bradley Baker als Tour Guide (voice) |
 | Michael Bell als Dr. Frankenstein (voice) |
 | Mary Kay Bergman als Mother (voice) |
 | Janice Karman als Theodore Seville (voice) |
 | Jim Meskimen als Mr. Yesman (voice) |
 | Kevin Michael Richardson als Bud Wiley (voice) |
 | Frank Welker als The Monster (voice) |
| Kathi Castillo | Producer |
| Flamarion Ferreira | Art Direction |
| Kathi Castillo | Director |
| Mark Watters | Music |
| Janice Karman | Executive Producer |
| Ginny McSwain | Casting |
| Jay Bixsen | Editor |
| John Loy | Screenplay |
| Ross Bagdasarian, Jr. | Executive Producer |
| Kathi Castillo | Character Designer |
| Mary Shelley | Characters |
