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Bill Cosby as Fat Albert / Bill / Mushmouth / Mudfoot Brown (voice) |
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Jan Crawford as Russell (voice) |
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Gerald Edwards as Weird Harold (voice) |
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Eric Suter as Rudy (voice) |
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Erika Scheimer as Diesel (voice) |
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Eric Greene as Marshall Franklin (voice) |
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Kim Hamilton as Marge Franklin / Nurse (voice) |
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Julius Harris as Mr. Tyrone (voice) |
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Ty Henderson as Ray Franklin (voice) |
| Directing | Hal Sutherland | Director |
| Visual Effects | Hal Mason | Animation |
| Writing | Bill Cosby | Characters |
| Writing | Bill Danch | Writer |
| Visual Effects | Bill Reed | Animation |
| Sound | Norm Prescott | Music |
| Production | Joseph Simon | Production Manager |
| Production | Norm Prescott | Producer |
| Writing | Jim Ryan | Writer |
| Production | Bill Cosby | Executive Producer |
| Production | Lou Scheimer | Producer |
| Production | Don Christensen | Associate Producer |
| Sound | Ray Ellis | Music |
| Editing | Jim Blodgett | Editor |
