Sherlock Holmes and the Secret Weapon

In the midst of World War II, Sherlock Holmes rescues the Swiss inventor of a new bomb-sight from the Gestapo and brings him to England, where he quickly falls into the clutches of the evil Professor Moriarty.

• 
  Basil Rathbone

  Sherlock Holmes
• 
  Nigel Bruce

  Doctor Watson
• 
  Lionel Atwill

  Professor Moriarty
• 
  William Post Jr.

  Dr. Franz Tobel
• 
  Kaaren Verne

  Charlotte Eberli
• 
  Dennis Hoey

  Inspector Lestrade
• 
  Holmes Herbert

  Sir Reginald
• 
  Mary Gordon

  Mrs. Hudson
• 
  Harry Cording

  Jack Brady (uncredited)
• 
  Paul Fix

  Mueller (uncredited)