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)