Leslie Banks as Bob Lawrence

Edna Best as Jill Lawrence

Peter Lorre as Abbott

Frank Vosper as Ramon Levine

Hugh Wakefield as Clive

Nova Pilbeam as Betty Lawrence

Pierre Fresnay as Louis Bernard

Cicely Oates as Nurse Agnes

D.A. Clarke-Smith as Binstead

George Curzon as Gibson

Frank Atkinson as Policeman Shot Behind Mattress (uncredited)

Betty Baskcomb as Lawrence's Maid (uncredited)

Cot D'Ordan as Concierge (uncredited)

Tony De Lungo as Hotel Manager (uncredited)

Clare Greet as Mrs. Brockett (uncredited)

Pat Hagan as Policeman at Siege (uncredited)

Joan Harrison as Secretary (uncredited)

Edward A. Hill-Mitchelson as Minor Role (uncredited)

Alfred Hitchcock as Man in Raincoat Passing Bus (uncredited)

James Knight as Police Inspector (uncredited)

Arnold Lucy as Foreign Dignitary - Target of Assassination (uncredited)

Andreas Malandrinos as Police Sergeant (uncredited)

Henry Oscar as Dentist George Barbor (uncredited)

Charles Paton as Shopkeeper (uncredited)

Frederick Piper as Policeman with Rifle (uncredited)

H.G. Stoker as Police Chief at Siege (uncredited)

Robert Brooks Turner as Policeman (uncredited)

Jack Vyvyan Baker as Policeman Shot at Front Door (uncredited)

Percy Walsh as Detective Inspector (uncredited)

Hal Walters as Postman (uncredited)

S. J. Warmington as Rawlings - Gang Member (uncredited)

Edward Wild as Minor Role (uncredited)

Michael Wilding as Man at Clay Pigeon Shoot (uncredited)