Knowledge can be a deadly thing.
Release date: 1934
Rating 6.7
(22k)1h 16m
Knowledge can be a deadly thing.
12/1/1934
NR6.7/10
(21,821 votes)1h 16m
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.