Calificación
Reparto

Basil Rathbone
Sherlock Holmes

Nigel Bruce
Dr. John H. Watson

Gale Sondergaard
Adrea Spedding

Dennis Hoey
Insp. Lestrade

Vernon Downing
Norman Locke

Alec Craig
Radlik

Arthur Hohl
Adam Gilflower

Mary Gordon
Mrs. Hudson

Teddy Infuhr
Larry (uncredited)

Donald Stuart
Artie - Shooting Gallery Attendant (uncredited)

Harry Cording
Fred Garvin (uncredited)

Belle Mitchell
Fortune Teller (uncredited)

Angelo Rossitto
Obongo - Pygmy (uncredited)

Sylvia Andrew
Charwoman (uncredited)

Marie De Becker
Charwoman (uncredited)

Jimmy Aubrey
News Vendor (uncredited)