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Richard Travis as Tom Norman / Rattick |
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Helen Westcott as Mary Lynn |
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Emory Parnell as Capt. Jan Roburt |
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Richard Fraser as Operative Farrell |
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James Griffith as Operative Dale |
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Ralf Harolde as Steele |
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Selmer Jackson as Capt. Wright |
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Gene Roth as Ehrlich |
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William Tannen as Dajek |
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Otto Reichow as Balser |
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Pierre Watkin as Mr. Sigmund |
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Paul Bryar as Cmdr. Braddock |
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William Haade as Anorus |
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Jason Robards Sr. as Dr. Loring |
| Writing | Arthur Hoerl | Screenplay |
| Directing | Jack Bernhard | Director |
