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
Editor
Director of Photography
Story
Sound Recordist
Producer
Art Direction
Original Music Composer
