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John Howard as Dan Matthews |
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Mala Powers as Gina Matthews |
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Paul Richards as Peter Morgan |
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May Wynn as Concha Ramsey |
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Gerald Milton as Dr. Ramsey |
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Duane Grey as Lino |
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Richard Gilden as Raoul Koom |
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Martín Garralaga as Lead Villager |
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Patrick O'Moore as Dr. Willoughby |
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William Hamel as Mr. Trainor |
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Charles Grey as Jim Wheatley / ?The Monster Man |
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Charles Postal as Higgs (butler) |
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Sir Lancelot as Sir Lancelot |
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Charles Cirillo as Native (uncredited) |
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Jim Whitecloud as Native (uncredited) |
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Foster Hood as Native (uncredited) |
| Directing | Charles Marquis Warren | Director |
| Camera | Joseph F. Biroc | Director of Photography |
| Writing | Kenneth Higgins | Writer |
| Production | Robert Stabler | Producer |
| Sound | Raoul Kraushaar | Original Music Composer |
| Art | G. W. Bernsten | Set Decoration |
| Editing | Michael Luciano | Editor |
| Editing | Fred W. Berger | Supervising Film Editor |
| Costume & Make-Up | Pat Whiffing | Hairstylist |
| Production | Nathan Barragar | Production Manager |
| Costume & Make-Up | Vou Lee Giokaris | Wardrobe Supervisor |
| Crew | Louis DeWitt | Special Effects |
| Sound | Hugh McDonald | Sound |
| Costume & Make-Up | Robert O'Dell | Wardrobe Supervisor |
| Costume & Make-Up | Glen Alden | Makeup Artist |
| Directing | Nathan Barragar | Assistant Director |
| Crew | Jack Rabin | Special Effects |
| Art | James W. Sullivan | Art Direction |
| Art | Mike Gordon | Property Master |
