The Man Who Knew Too Much

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
• 
  D.A. Clarke-Smith

  Binstead
• 
  George Curzon

  Gibson
• 
  Frank Atkinson

  Policeman Shot Behind Mattress (uncredited)