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Mel Blanc as Sylvester / Cat Leader / Cats / Zookeeper / Delivery Man (voice) |
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Tedd Pierce as Various (voice) (uncredited) |
| Directing | Robert McKimson | Director |
| Sound | Carl W. Stalling | Music |
| Visual Effects | Charles McKimson | Animation |
| Visual Effects | Robert Givens | Layout Supervisor |
| Production | Edward Selzer | Producer |
| Visual Effects | Herman Cohen | Animation |
| Visual Effects | Phil DeLara | Animation |
| Writing | Tedd Pierce | Story |
| Art | Richard H. Thomas | Background Designer |
| Sound | Treg Brown | Sound Effects Editor |
| Sound | Milt Franklyn | Orchestrator |
| Visual Effects | Rod Scribner | Animation |
| Editing | Treg Brown | Editor |
