Obsada:

• Basil Rathbone Sherlock Holmes
• Nigel Bruce Dr. John H. Watson
• Dennis Hoey Insp. Lestrade
• Evelyn Ankers Naomi Drake
• Miles Mander Giles Conover
• Ian Wolfe Amos Hodder
• Charles Francis Digby
• Holmes Herbert James Goodram
• Richard Nugent Bates
• Mary Gordon Mrs. Hudson
• Rondo Hatton The Creeper
• J.W. Austin Sgt. Bleeker
• Wilson Benge Second Steward
• Billy Bevan Constable
• Lillian Bronson Harker's Housekeeper
• Harry Cording George Gelder
• Harold De Becker Boss
• Leslie Denison Police Sergeant Murdock
• Al Ferguson Ochroniarz
• Leyland Hodgson Customs officer
• Colin Kenny Ochroniarz
• Charles Knight Bearded man
• Connie Leon Ellen Carey
• Audrey Manners Body of Teacher
• John Merkyl Dr. Julien Boncourt
• Arthur Mulliner Thomas Sandeford
• Arthur Stenning First Steward
• David Thursby
• Eric Wilton Conover's Chauffeur