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Clive Brook as Sherlock Holmes |
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Miriam Jordan as Alice Faulkner |
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Ernest Torrence as Professor James Moriarty |
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Herbert Mundin as George |
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Reginald Owen as Dr. Watson |
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Alan Mowbray as Colonel Gore-King |
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C. Montague Shaw as Judge |
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Ivan F. Simpson as Faulkner |
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Roy D'Arcy as Manuel Lopez (uncredited) |
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John George as Bird Shop Thug (uncredited) |
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Brandon Hurst as Secretary to Erskine (uncredited) |
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Howard Leeds as Little Billy |
| Directing | William K. Howard | Director |
| Writing | Bertram Millhauser | Writer |
| Camera | George Barnes | Director of Photography |
| Art | John Hughes | Art Direction |
| Editing | Margaret Clancey | Editor |
| Writing | William Gillette | Theatre Play |
| Writing | Arthur Conan Doyle | Novel |
