A card cheat is threatened with exposure into joining a criminal enterprise that Sherlock Holmes believes is controlled by Professor Moriarity.
Sherlock Holmes
Dr. John Watson
Mrs. Hudson
Ronald Adair
Kathleen Adair
Prof. Robert Moriarty / Col. Henslowe
Thomas Fisher
Tony Rutherford
Inspector Lestrade
Marston, the butler
Colonel Sebastian Moran
No. 16
J.J. Godfrey
Director
Screenplay
Story
Producer
Director of Photography
Editor
Art Direction
Sound Recordist
Original Music Composer
