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Leo Gorcey as 'Slip' Mahoney |
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Huntz Hall as 'Sach' Jones |
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Patrick O'Moore as Alfie Grimshaw |
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Rudolph Anders as Dr. Goebbel |
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Bernard Gorcey as Louie Dumbrowsky |
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David Gorcey as Chuck |
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Benny Bartlett as Butch |
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Harry Cording as Henchman Shanks |
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Eric Snowden as Trader Holmes |
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Woody Strode as Malaka, head bearer |
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Laurette Luez as Anaka |
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Joel Fluellen as Rangori, witch doctor |
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Murray Alper as Max Lomax |
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Pat Flaherty as Police Officer Flaherty |
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Emory Parnell as Police Captain |
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John Harmon as Police Scientist |
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Roy Glenn as Chief Mutawa |
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Emil Sitka as Helpful Riverboat Crewman |
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Clint Walker as Tarzan |
| Writing | Elwood Ullman | Writer |
| Directing | Edward Bernds | Director |
| Writing | Edward Bernds | Writer |
| Art | Dave Milton | Art Direction |
| Production | Ben Schwalb | Producer |
| Camera | Harry Neumann | Director of Photography |
