Robert Hamer
Director
Roy Horniman
Novel
John Dighton
Screenplay
Michael Balcon
Producer
Ernest Irving
Original Music Composer
Douglas Slocombe
Director of Photography
Peter Tanner
Editor
Robert Hamer
Screenplay
Nancy Mitford
Screenplay
Michael Relph
Associate Producer
Anthony Mendleson
Costume Design
William Kellner
Art Direction
Barbara Barnard
Hairstylist
Harry Frampton
Makeup Artist
Pearl Orton
Hairstylist
Ernest Taylor
Makeup Artist
Daphne Martin
Hairstylist
Leigh Aman
Unit Production Manager
Hal Mason
Production Supervisor
Norman Priggen
Assistant Director
Sydney Pearson
Special Effects
Roy Baker
Assistant Editor
John Jympson
Assistant Editor
Seth Holt
Editorial Services
Bert Davey
Assistant Art Director
Jeff Seaholme
Camera Operator
Stephen Dalby
Sound Director
Phyllis Crocker
Continuity
Geoffrey Dickinson
Special Effects
Ernest Irving
Conductor
Wolfgang Amadeus Mozart
Music
John W. Mitchell
Sound Recordist
Philharmonia Orchestra
Music
Dennis Price
Louis Mazzini / His Father
Alec Guinness
The D'Ascoyne Family: The Duke / The Banker / The Parson / The General / The Admiral / Young Ascoyne / Young Henry / Lady Agatha
Joan Greenwood
Sibella
Valerie Hobson
Edith D'Ascoyne
Audrey Fildes
Mama
Miles Malleson
The Hangman
Clive Morton
The Prison Governor
John Penrose
Lionel Holland
Cecil Ramage
Crown Counsel
Hugh Griffith
Lord High Steward
John Salew
Mr. Perkins
Eric Messiter
Inspector Burgoyne
Lyn Evans
The Farmer
Barbara Leake
The Schoolmistress
Peggy Ann Clifford
Maud Redpole
Anne Valery
The Girl in the Punt
Arthur Lowe
The Reporter
Peter Gawthorne
First Lord Delivering Verdict (uncredited)
Molly Hamley-Clifford
Lady Redpole (uncredited)
Leslie Handford
Gamekeeper Hoskins (uncredited)
Cavan Malone
Young Graham (uncredited)
Jeremy Spenser
Young Louis (uncredited)
Carol White
Young Sibella (uncredited)
Laurence Naismith
Warder in Jail (uncredited)
Gordon Phillott
Clerk of Parliament (uncredited)
Richard Wattis
Defence Counsel (uncredited)
Harold Young
Captain (uncredited)
