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Sherlock Holmes and the Secret Weapon Poster

Sherlock Holmes and the Secret Weapon

Suspense! Thrills! Adventure!
1942 | 68m | English

(7269 votes)

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Popularity: 1 (history)

Details

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.
Release Date: Dec 25, 1942
Director: Roy William Neill
Writer: Edward T. Lowe Jr., Scott Darling, Edmund L. Hartmann, Arthur Conan Doyle
Genres: Crime, Mystery, Thriller
Keywords london, england, switzerland, kidnapping, world war ii, invention, black and white, gestapo, war effort, secret code, bomb -sight, dancing men, false bottomed trunk, moriarty, holmes vs moriarty, sherlock holmes
Production Companies Universal Pictures
Box Office Revenue: $0
Budget: $0
Updates Updated: Feb 05, 2026
Entered: Apr 13, 2024
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Full Credits

Name Character
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)
Harold De Becker Peg Leg (uncredited)
Paul Fix Mueller (uncredited)
Henry Victor Professor Frederic Hoffner (uncredited)
John Burton RAF Officer (uncredited)
Paul Bryar Swiss Waiter (uncredited)
Whit Bissell London Bobbie (uncredited)
Rudolph Anders Braun (uncredited)
Colin Kenny Scotland Yard Detective (uncredited)
George Burr Macannan Gottfried (uncredited)
Harry Woods Kurt (uncredited)
Name Job
Roy William Neill Director
Edward T. Lowe Jr. Adaptation, Screenplay
Scott Darling Adaptation, Screenplay
Lester White Director of Photography
Otto Ludwig Editor
Edmund L. Hartmann Screenplay
Jack Otterson Art Direction
Russell A. Gausman Set Decoration
Vera West Costume Design
Hans J. Salter Music
Charles Previn Music Director
Frank Skinner Original Music Composer
Arthur Conan Doyle Story
Richard Hageman Music
Name Title
Howard Benedict Associate Producer
Organization Category Person
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Reviews

Geronimo1967
7.0

Though with possibly not the most authentic Germanic accent you’ll ever have heard, “Holmes” (Basil Rathbone) still manages to smuggle Swiss scientist “Tobel” (William Post Jr.) back to London where we learn that he has developed a game-changing bombsight that could turn the war in the allies favour ... . He’s a bit of an enigmatic chap, this man, and declines all the security offered him so it’s no great shock that barely a day after his arrival, he has been kidnapped. Fortunately, he had the foresight to split his apparatus into sections and now the race is on between the detective and his stalwart “Watson” (Nigel Bruce) against their most formidable antagonist yet - “Prof. Moriarty” (Lionel Atwill). Determined to track down his nemeses, “Holmes” heads off into the fog to find the prisoner, but his foe has already anticipated many of his movements so it is lucky that “Watson” and the much less hapless than usual “Lestrade” (Dennis Hoey) are on hand to help thwart this dastardly plan for not just the nation, but for their friend, too. This has a much more overt wartime message to it, with the Nazis the real evil that would benefit from this ultimate act of treachery. Along the way there are some secret compartments, some bumps on the head and quite an ingenious method of attempted murder facing our duo, and it’s an easy hour of mystery to watch. I really do wish they’d stop referring to Britain as England, though!

Aug 18, 2025