Knowledge can be a deadly thing.
Overview
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.
Cast
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)
Cot D'Ordan
Concierge (uncredited)
Tony De Lungo
Hotel Manager (uncredited)
Clare Greet
Mrs. Brockett (uncredited)
Pat Hagan
Policeman at Siege (uncredited)
Joan Harrison
Secretary (uncredited)
Edward A. Hill-Mitchelson
Minor Role (uncredited)
Alfred Hitchcock
Man in Raincoat Passing Bus (uncredited)
James Knight
Police Inspector (uncredited)
Arnold Lucy
Foreign Dignitary - Target of Assassination (uncredited)
Andreas Malandrinos
Police Sergeant (uncredited)
Henry Oscar
Dentist George Barbor (uncredited)
Charles Paton
Shopkeeper (uncredited)
Frederick Piper
Policeman with Rifle (uncredited)
H.G. Stoker
Police Chief at Siege (uncredited)
Robert Brooks Turner
Policeman (uncredited)
Jack Vyvyan Baker
Policeman Shot at Front Door (uncredited)
Percy Walsh
Detective Inspector (uncredited)
Hal Walters
Postman (uncredited)
S. J. Warmington
Rawlings - Gang Member (uncredited)
Edward Wild
Minor Role (uncredited)
Michael Wilding
Man at Clay Pigeon Shoot (uncredited)
Media
Recommendations
Secret Agent
The 39 Steps
The Skin Game
Requiem for a Heavyweight
Waltzes from Vienna
Karate Kill
Hugh Hefner: Once Upon a Time
What a Woman!
Garden Party Massacre
CinemAbility: The Art of Inclusion
Half a Confession
Sabotage
The Man Who Knew Too Much
Captain Blood
The Man Who Laughs
The Lady Vanishes
Top Hat
Foreign Correspondent
Gaslight
The Mummy
