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Tala Birell as Countess Sandra Lubeska |
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Melvyn Douglas as Dr. Walter Tradnor |
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Miki Morita as Dr. Kabayochi |
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Onslow Stevens as Dr. Roy Stark |
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Everett Brown as Nogu |
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Billy McClain as The King |
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Frank Lackteen as |
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Noble Johnson as |
| Production | Carl Laemmle Jr. | Producer |
| Writing | Lester Cohen | Story |
| Crew | George Robinson | Cinematography |
| Writing | Dale Van Every | Writer |
| Writing | Don Ryan | Writer |
| Editing | Robert Carlisle | Editor |
| Directing | Ernst L. Frank | Director |
| Camera | Adolph L. Schafer | Still Photographer |
