Sherlock Holmes
Dr. Watson
Sir Henry
Beryl
Dr. Mortimer
Stapleton
Mr. Barrymore
Mrs. Barrymore
Sir Hugo (as Benoit Gauthier)
Frankland
Perkins
Seldon
Mrs. Laura Lyons
Sir Charles (as Barrie Baldaro)
Maiden
Grimpen Man #1
Director
Producer
Music Editor
Author
Editor
Director of Photography
Novel