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Fernando Lamas as Rio Galdez |
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Rhonda Fleming as Alice Parker |
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Brian Keith as Tony |
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Pascual García Peña as Sylvester, Rio's aide |
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Morgan Farley as Vinny |
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Rita Moreno as Maroa |
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Richard Denning as Jerry Russell |
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Marvin Miller as Jivaro Chief Kovanti |
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Lon Chaney Jr. as Pedro Martines |
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Charles Lung as The Padre |
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Kay Johnson as Umari |
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Gregg Barton as Edwards |
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Nestor Paiva as Jacques |
| Directing | Edward Ludwig | Director |
| Camera | Lionel Lindon | Director of Photography |
| Visual Effects | Richard Mueller | Color Designer |
| Art | Hal Pereira | Art Direction |
| Art | A. Earl Hedrick | Art Direction |
| Editing | Howard A. Smith | Editor |
| Camera | W. Wallace Kelley | Second Unit Director of Photography |
| Visual Effects | John P. Fulton | Visual Effects |
| Visual Effects | Farciot Edouart | Visual Effects |
| Art | Sam Comer | Set Decoration |
| Art | Grace Gregory | Set Decoration |
| Directing | William McGarry | Assistant Director |
| Sound | Gregory Stone | Original Music Composer |
| Costume & Make-Up | Edith Head | Costume Design |
| Costume & Make-Up | Wally Westmore | Makeup Supervisor |
| Sound | Harold Lewis | Sound Recordist |
| Sound | Gene Garvin | Sound Recordist |
| Production | William H. Pine | Producer |
| Production | William C. Thomas | Producer |
| Sound | Loren L. Ryder | Sound Supervisor |
| Sound | George Dutton | Sound Mixer |
| Writing | David Duncan | Story |
| Writing | Winston Miller | Writer |
