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.
The Man Who Knew Too Much is currently available on the following streaming services in the UK: Prime Video and FILMBOX+.
Currently, you can only buy or rent The Man Who Knew Too Much on Amazon in the UK, with prices starting from £3.49.
The Man Who Knew Too Much was released 90 years ago in 1934.
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