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Cesare Danova as Hector Servadac |
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Sean McClory as Michael Denning |
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Joan Staley as Deena |
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Danielle De Metz as Nateeta |
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Gregg Martell as Od-Loo |
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Gil Perkins as Tarn / Doctor |
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I. Stanford Jolley as Patoo |
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Roger Til as Vidal |
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Mark Dempsey as Andrews |
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Jerry Sunshine as LeClerc |
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Dolly Grey as Mara |
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Mike Lane as Anoka |
| Writing | Donald Zimbalist | Story |
| Writing | Edward Bernds | Screenplay |
| Directing | Edward Bernds | Director |
| Writing | ჟიულ ვერნი | Novel |
| Production | Byron Roberts | Producer |
| Editing | Edwin H. Bryant | Editor |
| Production | Al Zimbalist | Executive Producer |
| Camera | Brydon Baker | Director of Photography |
| Sound | Ruby Raksin | Original Music Composer |
| Art | Don Ament | Art Direction |
| Sound | Charles J. Rice | Sound Supervisor |
| Sound | Lambert E. Day | Sound |
| Directing | George Rhein | Assistant Director |
| Crew | 円谷英二 | Special Effects |
| Crew | Richard Albain | Special Effects |
| Visual Effects | Roy Seawright | Visual Effects |
| Costume & Make-Up | Ben Lane | Makeup Supervisor |
