A chemical manufacturer is killed just after asking detective James Wong to help him. So Detective Wong decides to investigate this as well as two subsequent murders.
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Boris Karloff | James Lee Wong |
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Grant Withers | Police Capt. Sam Street |
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Maxine Jennings | Myra Ross |
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Evelyn Brent | Olga Petroff |
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George Lloyd | Devlin |
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Lucien Prival | Anton Mohl |
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John St. Polis | Carl Roemer |
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William Gould | Theodore Meisle |
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Hooper Atchley | Christian Wilk |
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John Hamilton | Simon Dayton |
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Wilbur Mack | Russell |
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Lee Tung Foo | Tchin |
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Lynton Brent | Tommy |
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Grace Wood | Mrs. Roemer |
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Frank Bruno | Lescardi - Mohl's Henchman |
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Ed Cassidy | Ambulance Doctor |
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Wheaton Chambers | Chemistry Lab Director |
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Clancy Cooper | Warehouse Man |
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George DeNormand | John |
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Lester Dorr | Coroner |
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Herbert Evans | Wilk's Butler |
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Dick Reinhart | Dock Worker |
Director | William Nigh |
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Writer | Houston Branch, Hugh Wiley | |
Producer | Scott R. Dunlap, William T. Lackey | |
Musician | Edward J. Kay | |
Photography | Harry Neumann |