- HD 1080
- Runtime: 76m.
- Status: Released
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- Languages: en
- Country: United Kingdom
- Director: Alfred Hitchcock
- Stars: Leslie Banks, Edna Best, Peter Lorre, Frank Vosper, Hugh Wakefield
- keywords: concert, kidnapping, murder, shootout, criminal, clue, dentist, hypnotism, ski resort, brawl, assassination plan, corrupt church, cymbals, sharpshooting, worship service, saint moritz, switzerland
- Production_studio: Gaumont-British Picture Corporation
- Slogan: Knowledge can be a deadly thing.
- providers: Amazon Prime Video, fuboTV, Max, Max Amazon Channel, Criterion Channel, Amazon Prime Video with Ads
- The The Man Who Knew Too Much is featured in the top rankings of 1934
- #1 in Top Thriller Movies of 1934
- #6 in Top Mystery Movies of 1934
While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their daughter has been kidnapped to keep them quiet.
