Obsada:

• Basil Rathbone Sherlock Holmes
• Nigel Bruce Dr. Watson
• Ida Lupino Ann Brandon
• George Zucco Professor Moriarty
• Alan Marshal Jerrold Hunter
• Terry Kilburn Billy
• Henry Stephenson Sir Ronald Ramsgate
• E.E. Clive Inspector Bristol
• Arthur Hohl Bassick
• May Beatty Brandon Housekeeper [Script name: Mrs. Jameson]
• Peter Willes Lloyd Brandon
• Mary Gordon Mrs. Hudson
• Holmes Herbert Justice
• Mary Forbes Lady Conyngham
• Frank Dawson Dawes
• Anthony Kemble-Cooper Tony
• William Austin Stranger
• Frank Baker Unconfirmed Presence [AFI Catalog Name: Tompkins]
• Frank Benson Unconfirmed Presence [AFI Catalog Name: Cockney]
• Harry Cording Second Phoney Policeman [Extra]
• Robert Cory Tower Sentry
• David Dunbar Unspecified Scotland Yard Man
• Herbert Evans Unspecified Scotland Yard Man
• Neil Fitzgerald Clerk of the Court
• Denis Green Sergeant of the Guard
• Gordon Hart Unspecified Guard
• Ivo Henderson Unspecified Bobby
• Keith Hitchcock Unspecified Constable
• Leyland Hodgson Unspecified Bobby
• Brandon Hurst Unconfirmed Presence [AFI Catalog name: Footman]
• Boyd Irwin Bobby
• Charles Irwin Marine Sergeant [Extra]
• Leonard Mudie Barrows
• Robert Nobel Foreman of the Jury
• George Regas Mateo
• C. Montague Shaw Captain Mannering
• Ivan F. Simpson Unconfirmed Presence [AFI Catalog Name: Gates]
• Robert R. Stephenson Unspecified Cabby [Extra]
• Eric Wilton Conyngham Butler