Holmes and Watson travel to Europe to escape Professor Moriarty's vengeance.
Eille Norwood
Sherlock Holmes
Hubert Willis
Dr. John Watson
Percy Standing
Prof. Moriarty
Tom Beaumont
Insp. Taylor
George Ridgwell
Director
P.L. Mannock
Writer
Arthur Conan Doyle
Original Story
Alfred Moise
Director of Photography
