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Robert Clarke as Rob |
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Robert Bice as Bram, Rob's pal |
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Stuart Randall as Gordon, chief of the Upriver People |
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Margaret Field as Ruth |
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Ron Randell as Riddon, chief of the Mutates |
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Gloria Saunders as Catherine, the Norm traitoress |
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William Schallert as Carver, the Mutate traitor |
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Douglas Evans as Jason, the Norm traitor |
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Marshall Bradford as Mutate Council Leader |
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Tom Daly as Dirk, a Mutate |
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Eric Colmar as Sabron, a Mutate |
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Chili Williams as A Norm Woman |
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Paula Dorety as A Norm Woman |
| Directing | Stuart Gilmore | Director |
| Writing | Jack Pollexfen | Writer |
| Writing | Aubrey Wisberg | Writer |
| Production | Jack Pollexfen | Producer |
| Production | Aubrey Wisberg | Producer |
| Production | Albert Zugsmith | Associate Producer |
| Sound | Charles Koff | Original Music Composer |
| Camera | Paul Ivano | Director of Photography |
| Editing | Fred R. Feitshans Jr. | Editor |
| Art | Theobold Holsopple | Production Design |
| Art | Clarence Steensen | Set Decoration |
| Costume & Make-Up | Yvonne Wood | Costume Design |
| Costume & Make-Up | Steven Clensos | Makeup Artist |
| Crew | Irving Block | Special Effects |
| Crew | Louis DeWitt | Special Effects |
