Sobey Martin
Director
Arthur Conan Doyle
Story
William Lava
Music
Walter Doniger
Writer
Rudolph E. Abel
Production Supervisor
Marshall Grant
Producer
Eugène Lourié
Art Direction
Stanley Rubin
Producer
Dann Cahn
Editor
William Bradford
Cinematography
Arthur Shields
The Bookshop Man
Alan Napier
Sherlock Holmes
Evelyn Ankers
Miss Stoner
Melville Cooper
Dr. John H. Watson
Edgar Barrier
Dr. Grimesby Roylott
Richard Fraser
John Armitage
Gail Roberts
Jean Stoner
