
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 BanksBob Lawrence
Edna BestJill Lawrence
Peter LorreAbbott
Frank VosperRamon Levine
Hugh WakefieldClive
Nova PilbeamBetty Lawrence
Pierre FresnayLouis BernardCicely OatesNurse Agnes
D.A. Clarke-SmithBinstead
George CurzonGibson
Frank AtkinsonPoliceman Shot Behind Mattress (uncredited)Betty BaskcombLawrence's Maid (uncredited)Cot D'OrdanConcierge (uncredited)Tony De LungoHotel Manager (uncredited)
Clare GreetMrs. Brockett (uncredited)