Obsada:

• Basil Rathbone Sherlock Holmes
• Nigel Bruce Dr. John H. Watson
• Gale Sondergaard Adrea Spedding
• Dennis Hoey Inspector Lestrade
• Vernon Downing Norman Locke
• Alec Craig Radlik
• Arthur Hohl Adam Gilflower
• Mary Gordon Mrs. Hudson
• Teddy Infuhr Larry
• Sylvia Andrew
• Wilson Benge Unspecified Clerk
• Lydia Bilbrook Susan
• John Burton Announcer
• Harry Cording Henchman on Roof
• Marie De Becker Charwoman
• Stanley Logan Robert
• Belle Mitchell Fortune teller
• John Roche Croupier
• John Rogers Unspecified Clerk
• Angelo Rossitto Obongo
• Gene Roth Taylor
• Donald Stuart Unidentified Character [AFI catalog name: Artie]