
The Sign of Four: Sherlock Holmes' Greatest Case
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The Sign of Four: Sherlock Holmes' Greatest Case
Play Now
Directed By
Graham Cutts
Produced By
Basil Dean, Rowland V. Lee
Crew
W.P. Lipscomb, Robert Martin, Arthur Conan Doyle, Ernest Irving, Basil Dean, Otto Ludwig, Clifford Pember, Robert De Grasse