Sir Mark Loddon / Frank Welney / Number Fifteen
Dirk Bogarde
Lady Margaret Anne Loddon
Olivia de Havilland
Associate
Toke Townley
Editor
Deering Wells
The Guide
Bill Shine
Admiral Loddon
Ivan Samson
Michael Loddon
Sebastian Saville
The Butler
Richard Pearson
First Photographer
Robert Shaw
Second Photographer
Geoffrey Bayldon
Maddox
Gordon Sterne
Car Salesman
Arthur Howard
Jeffrey Buckenham
Paul Massie
Miss Sykes
Joyce Carey
Mrs. Squire
Josephine Middleton
Fitch
Kenneth Griffith
Barmaid
Barbara Archer
Man at Bar
Tony Doonan
Girl in Street
Vanda Hudson
Barrister (uncredited)
Victor Harrington
Newspaper Vendor (uncredited)
Sam Kydd
Reg Thomason
Sir Wilfred
Robert Morley
Hubert Foxley
Wilfrid Hyde-White
Gerald Loddon
Anthony Dawson
The Judge
Richard Wattis
Himself
Richard Dimbleby
Dr. Schrott
Martin Miller
Maisie
Millicent Martin
Screenplay
Anatole de Grunwald
Producer
Karl Tunberg
Costume Design
Christian Dior
Director of Photography
Robert Krasker
Casting
Irene Howard
Director
Anthony Asquith
Original Story
Edward Wooll
Set Dresser
Maurice Fowler
Art Direction
Paul Sheriff
Frank Clarke
Compositor
Benjamin Frankel
Associate Producer
Pierre Rouve
Sound Editor
Robert Carrick
Sound Mixer
J.B. Smith
Sound Recordist
A.W. Watkins
Hairstylist
Joan Johnstone
Makeup Artist
Bill Lodge
Music
Assistant Director
David Middlemas
Visual Effects
Tom Howard
Gerry Turner
Executive In Charge Of Production
Roy Parkinson