Knowledge can be a deadly thing.
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.
Leslie Banks
Bob Lawrence
Edna Best
Jill Lawrence
Peter Lorre
Abbott
Frank Vosper
Ramon Levine
Hugh Wakefield
Clive
Nova Pilbeam
Betty Lawrence
Pierre Fresnay
Louis Bernard
Cicely Oates
Nurse Agnes
D.A. Clarke-Smith
Binstead
George Curzon
Gibson
Frank Atkinson
Policeman Shot Behind Mattress (uncredited)
Betty Baskcomb
Lawrence's Maid (uncredited)
Evil Under the Sun
The Man Who Knew Too Much
The Conversation
Foul Play
Sherlock Holmes and the Secret Weapon
Retribution
Insomnia
Union Station
The Mirror Crack'd
The Woman in Green
Mission: Impossible III
Islands
Ten Little Indians
The Third Man
Foreign Correspondent
Now You See Me
Family Plot
The Dark Past
Restraint
Crossword Mysteries: Abracadaver