- Holmes protects inventor of bombsight. Starting in Switzerland, Sherlock Holmes rescues the inventor of a bombsight which the allies want to keep from the Nazis. Back in London it seems that the inventor is not all that he seemed.
- Cast & Crew
- Director
- Roy William Neill
- Cast
- Basil Rathbone, Nigel Bruce, Lionel Atwill, Kaaren Verne, William Post Jr., Dennis Hoey, Mary Gordon, Holmes Herbert, Harry Cording, Harold De Becker, Paul Fix, Henry Victor, Paul Bryar
- Writer
- Edward T. Lowe Jr., Scott Darling
- Director of photography
- Lester White