Elenco

• 

  Basil Rathbone

  Sherlock Holmes

• 

  Nigel Bruce

  Doctor Watson

• 

  Evelyn Ankers

  Kitty

• 

  Reginald Denny

  Sir Evan Barham

• 

  Thomas Gomez

  R.F. Meade

• 

  Henry Daniell

  Sir Anthony Lloyd

• 

  Montagu Love

  General Jerome Lawford

• 

  Olaf Hytten

  Admiral Sir John Fabian Prentiss

• 

  Leyland Hodgson

  Captain Roland Shore

• 

  Mary Gordon

  Mrs. Hudson