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John Barrymore as Sherlock Holmes |
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Roland Young as Dr. Watson |
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Carol Dempster as Alice Faulkner |
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Gustav von Seyffertitz as Professor Moriarty |
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Louis Wolheim as Craigin |
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Percy Knight as Sid Jones |
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William Powell as Forman Wells |
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Hedda Hopper as Madge Larrabee |
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Reginald Denny as Prince Alexis |
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Peggy Bayfield as Rose Faulkner |
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Lumsden Hare as Dr. Leighton |
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Anders Randolf as James Larrabee |
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Robert Schable as Alf Bassick |
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David Torrence as Count Von Stalburg |
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Albert Bruning as Baron Orlonieff |
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Robert Fischer as Otto |
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Jerry Devine as Billy |
| Directing | Albert Parker | Director |
| Writing | Arthur Conan Doyle | Story |
| Production | F.J. Godsol | Producer |
| Production | Samuel Goldwyn | Executive Producer |
| Art | Charles L. Cadwallader | Art Direction |
| Camera | J. Roy Hunt | Director of Photography |
| Writing | Earle Browne | Writer |
| Writing | Marion Fairfax | Writer |
| Sound | Ben Model | Music |
