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Richard Fraser as Geoffrey Bishop |
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Maris Wrixon as Pamela Bragdon |
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Lionel Royce as Peter Van Dorn |
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Al Eben as Hans Kroegert |
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Gordon Richards as Sir Harry Bragdon |
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Michael Dyne as Clive Carswell |
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George Lloyd as Baxter |
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Larry Steers as Dr. Kent |
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Milton Kibbee as Gunderson |
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Egon Brecher as Dr. Gerig |
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Joel Fluellen as Mumbo Jumbo |
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Ray Corrigan as White Pongo (uncredited) |
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Jack Perrin as Minor Role (uncredited) |
| Directing | Sam Newfield | Director |
| Production | Sigmund Neufeld | Producer |
| Camera | Jack Greenhalgh | Director of Photography |
| Writing | Raymond L. Schrock | Screenplay |
| Sound | Leo Erdody | Original Music Composer |
| Art | Edward C. Jewell | Art Direction |
| Editing | Holbrook N. Todd | Editor |
| Sound | John R. Carter | Sound Engineer |
| Sound | Saul Bernie | Orchestrator |
| Camera | Ernest Smith | Camera Operator |
