| Actor | Role |
|---|---|
 Bill CosbyBill / Fat Albert / Dumb Donald (voice) | Bill / Fat Albert / Dumb Donald (voice) |
| SSteven CheathamRussell (voice) | Russell (voice) |
 Ernestine WadeBilly's Mother (voice) | Billy's Mother (voice) |
| SSolomon YoungWeird Harold (voice) | Weird Harold (voice) |
| AAlvin HillardWeasel (voice) | Weasel (voice) |
| GGary MooreNolan (voice) | Nolan (voice) |
| BBen AndersonRudy (voice) | Rudy (voice) |
| PPat RossRosemary (voice) | Rosemary (voice) |
| AAngela MillerNaomi (voice) | Naomi (voice) |
| DDana Marshall1st Green Street Terror (voice) | 1st Green Street Terror (voice) |
| RRoosevelt Blow2nd Green Street Terror (voice) | 2nd Green Street Terror (voice) |
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