Eric Portman
Fernand Maubert
Guy Rolfe
Philippe Lodocq
Nadia Gray
Madeleine Saincaize
George Cole
Marc, detective
Harold Lang
Belfort, the pickpocket
Edward Chapman
Minister for War
Maurice Denham
Colonel de la Roche
John Carol
Jean Louis / Alfred Louis
May Hallatt
Monique
Arthur Lowe
Town Clerk
Sebastian Cabot
Prefect
Jeremy Spenser
Jacques
Madge Brindley
Jacques' Grandmother
Hattie Jacques
Barmaid (uncredited)
John Salew
Minister's Secretary
James Hayter
Mayor
Patrick Young
Captain le Maitre
Keith Pyott
Father Pletsier
Natasha Sokolova
Nicole Porte
Philip Stainton
Café Manager
Hal Osmond
Swiss Taxi Driver
Alastair Hunter
Watchman at Legation
Gerald Andersen
Coding Clerk (uncredited)
Andreas Malandrinos
Bank Watchman (uncredited)
Charles Paton
Café Schader Waiter (uncredited)
Dido Plumb
Blind Beggar (uncredited)
Iris Vandeleur
Cleaning Woman (uncredited)
Robert Hamer
Director
Robert Westerby
Screenstory
Robert Westerby
Screenplay
Seth Holt
Editor
Geoffrey Unsworth
Director of Photography
Georges Auric
Original Music Composer
Don Weeks
Assistant Director
Pearl Orton
Hairstylist
Edward Carrick
Art Direction
Arthur Ibbetson
Camera Operator
Gordon K. McCallum
Sound Mixer
Ernest Gasser
Makeup Artist
Doris Lee
Costume Supervisor
E.M. Smedley-Aston
Production Manager
Aubrey Baring
Producer
Muir Mathieson
Conductor
Connie Willis
Continuity
Sydney Wiles
Sound Mixer