Basil Rathbone
饰 Sherlock Holmes
Marjorie Lord
饰 Nancy Partridge
George Zucco
饰 Heinrich Hinckel aka Richard Stanley
John Archer
饰 Naval Lt. Pete Merriam
Gavin Muir
饰 Mr. Lang, government agent
Edmund MacDonald
饰 Detective Lt. Grogan
Mary Gordon
饰 Mrs. Hudson
Mary Forbes
饰 Mrs. Pettibone
Holmes Herbert
饰 Mr. Ahrens
Thurston Hall
饰 Sen. Henry Babcock
伊恩·沃尔夫
饰 Antiques Store Sales Clerk
John Burton
饰 Army Inspector (uncredited)
Gerald Hamer
饰 Alfred Pettibone
Gilbert Emery
饰 Sir Henry Marchmont (uncredited)
Margaret Seddon
饰 Miss Pringle (uncredited)
