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Tim Conner as Herb |
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Johnny Counterfit as Rex |
| Directing | Will Vinton | Director |
| Writing | Ralph Liddle | Writer |
| Production | David Altschul | Producer |
| Production | Will Vinton | Producer |
| Production | Chris Werner | Producer |
| Sound | Patric Miller | Music |
| Art | John Logue | Art Direction |
| Sound | Kelley Baker | Sound Editor |
| Visual Effects | Barry Bruce | Animation Director |
| Visual Effects | Joan Gratz | Animation Director |
| Visual Effects | William Fiesterman | Animation Director |
| Visual Effects | Douglas Aberle | Animation Director |
| Visual Effects | Tony Merrithew | Animation |
| Visual Effects | Jeff Mulcaster | Animation |
| Visual Effects | Robert Terrell | Animation |
| Visual Effects | Si Duy Tran | Animation |
| Visual Effects | Christina Sells Tooké | Animation |
| Visual Effects | Craig Bartlett | Animation Director |
| Visual Effects | John Ashlee Prat | Animation |
| Visual Effects | Vince Backeberg | Animation |
| Visual Effects | Larry Bafia | Animation |
| Visual Effects | Webster Colcord | Animation |
| Visual Effects | Teresa Drilling | Animation |
| Visual Effects | Chuck Duke | Animation |
| Visual Effects | Tom K. Gurney | Animation |
| Visual Effects | Brad Johnson | Animation |
| Visual Effects | Anthony LaMolinara | Animation |
| Visual Effects | Mike McKinney | Animation |
| Editing | George Hood | Editor |
