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Allan Sherman as Cat in the Hat (voice) |
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Hans Conried as Narrator / North-Going Zax / South-Going Zax (voice) |
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Paul Winchell as Sneetches / Sam-I-Am / Green Eggs and Ham Hater (voice) |
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Bob Holt as Sneetches / Sylvester McMonkey McBean (voice) |
| Directing | Hawley Pratt | Director |
| Writing | Dr. Seuss | Writer |
| Sound | Dean Elliott | Music |
| Writing | Dr. Seuss | Book |
| Visual Effects | John Gibbs | Animation |
| Visual Effects | Bob Matz | Animation |
| Visual Effects | Bob Richardson | Animation |
| Visual Effects | Richard Thompson | Animation |
| Visual Effects | Don Williams | Animation |
| Visual Effects | Fred Madison | Animation |
| Visual Effects | John Freeman | Animation |
| Visual Effects | Bob Bransford | Animation |
| Visual Effects | Bob Bemiller | Animation |
| Art | Richard H. Thomas | Background Designer |
| Editing | Allan R. Potter | Editor |
| Editing | Joe Siracusa | Editor |
| Editing | Rick Steward | Editor |
| Production | Lee Gunther | Executive In Charge Of Production |
| Art | Bob Richardson | Storyboard Artist |
| Art | Maurice Noble | Production Design |
| Production | Friz Freleng | Producer |
| Production | Dr. Seuss | Producer |
| Production | David H. DePatie | Executive Producer |
