

Mystery · Thriller
The Sign of Four: Sherlock Holmes' Greatest Case
A young woman turns to Holmes for protection when she's menaced by an escaped killer seeking missing treasure. However, when the woman is kidnapped, Holmes and Watson must penetrate the city's criminal underworld to find her.
Part of the Sherlock Holmes (Arthur Wontner) Collection →Top Cast

Arthur Wontner
Sherlock Holmes

Isla Bevan
Mary Morstan

Ian Hunter
Dr. John Watson
Graham Soutten
Jonathan Small

Herbert Lomas
Maj. John Sholto
Gilbert Davis
Det. Insp. Atherly Jones

Margaret Yarde
Mrs. Smith

Roy Emerton
The Tattooed Man
Directed by
Graham Cutts
Production
Reviews
CinemaSerf
6/109/20/2025
When a peg-legged prisoner (Graham Soutten) reveals a secret in return for his escape and is then betrayed, he bides his time before escaping and setting about claiming the treasure for himself. He has been away for such a long time that some of the valuables have rather bloodily changed hands and one necklace that he wants to retrieve now belongs to “Mary” (Isla Bevla). Now she knows it’s provenance isn’t whiter than white but when “Small” menacingly seeks it back, she engages the services of “Holmes” (Arthur Wontner) and “Watson” (Ian Hunter) who are soon putting some meat on the bones of their investigation. It’s not the most challenging for the little grey cells, this mystery, but with a bit of help from Scotland Yard’s finest “Insp. Jones” (Gilbert Davis) this jigsaw is knitted togeth
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