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Ben F. Wilson as Carter Holmes |
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Neva Gerber as Ruth Stanhope |
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William Dyer as Sandy MacNab |
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Howard Crampton as Dr. Reid Stanhope |
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William A. Carroll as Omar |
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Marie Pavis as Mlle. Zora Ruharde |
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Al Ernest Garcia as Wang |
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Harry Archer as Raoul Bornay |
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C.M. Williams as Aboul Shabistari |
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John George as Borno - The Ape Man |
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Charles King as Henchman |
| Directing | Duke Worne | Director |
| Writing | J. Grubb Alexander | Story |