Richard Francis Heritage

James Mason

Acting

Laura Verity

Joyce Howard

Acting

Christopher Child

Tom Walls

Acting

Lily Bernard

Phyllis Stanley

Acting

Mansel

Edward Rigby

Acting

Carter

Ronald Ward

Acting

Commander Lippinscott

David Farrar

Acting

Riccardo

Karl Stepanek

Acting

Fay

Betty Warren

Acting

Charlie

Walter Crisham

Acting

Lady with Dog

Jeanne De Casalis

Acting

Mary, Manicurist (as Pat Medina)

Patricia Medina

Acting

Pawnbroker

George Robey

Acting

Max - Mouth Harmonica Player

Ronald Chesney

Writing

Bobby

Peggy Dexter

Acting

Merchant Captain

Finlay Currie

Acting

Detective Inspector Burrows

Brefni O'Rorke

Acting

Benson - Illusionist

Eric Mason

Acting

Hotel Hairdresser

Anthony Holles

Acting

Ian Fleming

Acting

Naval Officer in Charge of Court Martial

Kynaston Reeves

Acting

Van Driver

Herbert Lomas

Acting

Police Sergeant

Percy Walsh

Acting

Code Expert

Terence de Marney

Acting

Elizabeth Flatau

Acting

Pub Owner

Charles Victor

Acting

Petty Officer Bill Grant

Robert Sansom

Acting

Boothby - Radio Announcer

Alvar Liddell

Acting

2nd Code Expert

Anthony Dawson

Acting

One of Mansel's Tough Friends (uncredited)

Alf Goddard

Acting

Henry (uncredited)

David Keir

Acting

Defence Lawyer at Court Martial (uncredited)

Jack Melford

Acting

Waiter (uncredited)

Hay Petrie

Acting

Bus Conductor (uncredited)

Leonard Sharp

Acting

George the Barman (uncredited)

Dennis Wyndham

Acting