| Episode credited cast: |
 | Gregory Abbey | - | Additional Voices (voice) |
 | J. David Brimmer | - | Professor Pester (voice) |
 | Soraya Butler | - | Additional Voices (voice) |
 | Christopher Collet | - | (voice) (as Andrew Paull) |
 | Wayne Grayson | - | Additional Voices (voice) |
 | David Lapkin | - | Additional Voices (voice) |
 | Ted Lewis | - | Additional Voices (voice) |
 | Gary Littman | - | Additional Voices (voice) |
| Mike MacRae | - | Prewitt Profitamole (voice) |
| Emlyn Elisabeth Morinelli | - | Additional Voices (voice) |
| Lisa Ortiz | - | Additional Voices (voice) |
| Andrew Paull | - | Additional Voices (voice) |
 | Mike Pollock | - | Langston Lickatoad (voice) |
 | Sean Schemmel | - | Chortles Chippopotamus (voice) |
 | Erica Schroeder | - | Additional Voices (voice) |
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