While vacationing in St. Moritz, a British couple receive a clue to an imminent assassination attempt, only to learn that their young daughter has been kidnapped to keep them quiet.
Currently, you can only stream The Man Who Knew Too Much on Prime Video in the UK.
Currently, you can only buy or rent The Man Who Knew Too Much on Amazon in the UK, with prices starting from £2.49.
The Man Who Knew Too Much was released 91 years ago in 1934.
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