The Man Who Knew Too Much (1934 film)

The Man Who Knew Too Much 1934 is a British suspense film directed by Alfred Hitchcock, featuring Peter Lorre, and released by Gaumont British. It was one of the most successful and critically acclaimed films of Hitchcocks British period.

Bob and Jill Lawrence Leslie Banks and Edna Best are a British couple on vacation in Switzerland, with their daughter Betty Nova Pilbeam. Jill is participating in a clay pigeon shooting contest. They befriend a foreigner, Louis Bernard Pierre Fresnay, who is staying in their hotel. One evening, as Jill dances with Louis, she witnesses him being killed. Before dying, Louis passes onto them some vital information to be delivered to the British consul.To ensure their silence, the assassins, led by Abbott Peter Lorre, kidnap the Lawrences daughter. Unable to seek help from the police, the couple return to England and, after following a series of leads, discover that the group intends to assassinate the head of state of an unidentified European country during a concert at the Royal Albert Hall. Jill attends the concert and distracts the gunman with a scream. ........

Source: Wikipedia