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Dick Purcell as James 'Mac' McCarthy |
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Joan Woodbury as Barbara Winslow |
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Mantan Moreland as Jefferson 'Jeff' Jackson |
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Henry Victor as Dr. Miklos Sangre |
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John Archer as Bill Summers |
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Patricia Stacey as Alyce Sangre |
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Guy Usher as Admiral Wainwright |
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Marguerite Whitten as Samantha |
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Leigh Whipper as Momba |
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Madame Sul-Te-Wan as Tahama |
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James Davis as Lazarus |
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Laurence Criner as Dr. Couillie |
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Josephine Whitten as Native Girl |
| Directing | Jean Yarbrough | Director |
| Production | Lindsley Parsons | Producer |
| Writing | Edmond Kelso | Screenplay |
| Writing | Edmond Kelso | Story |
| Sound | Glenn Rominger | Sound Director |
| Art | Dave Milton | Set Designer |
| Sound | William R. Fox | Sound Director |
| Production | Mack V. Wright | Production Manager |
| Sound | Edward J. Kay | Music Director |
| Sound | William R. Fox | Sound Designer |
| Art | Charles Clague | Art Direction |
| Camera | Mack Stengler | Director of Photography |
| Sound | Glenn Rominger | Sound Designer |
| Sound | Edward J. Kay | Music |
| Editing | Richard C. Currier | Editor |
