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 shortly falls into the clutches of Professor Moriarty. Basil Rathbone, Nigel Bruce, Lionel Atwill, William Post Jr., Kaaren Verne, Dennis Hoey, Holmes Herbert Added on Amazon Prime 2023-02-04. Added on Starz 2022-05-14.