Arthur Groome
Rex Harrison
Mary Groome
Lilli Palmer
Sergeant Cochcran
William Squire
Sir Charles Morton
Denis O'Dea
Clive Bedford
Anthony Bushell
Judge
Henry B. Longhurst
Rose Mallory
Patricia Cutts
Marjorie Danns
Meriel Forbes
Dr Conway
Douglas Jefferies
Leslie Scott
Michael Medwin
Pound
Colin Gordon
Jefferson
Lionel Murton
Sheila Groome
Tania Heald
Mr Polaris
Eric Pohlmann
Mrs Sims
Jenny Laird
Alfred Tripp
Frank Tickle
Mrs Polaris
Lilli Molnar
1st Murdered Girl
Jill Bennett
Jury Foreman
Fletcher Lightfoot
Clerk of the Court
Anthony Shaw
Ironworks Manager
Tom Macaulay
Mr. Sims
Richard Littledale
Joe
Tony Quinn
Rosemary Groome
Henrietta Barry
Court Clerk (uncredited)
Ernest Blyth
Mary's mother
Dora Sevening
Mary's father
Ronald Simpson
The Man
Anthony Dawson
Mrs Rogers
Brenda De Banzie
Supt. Maxey
Ballard Berkeley
Chief Inspector Sullivan
Raymond Huntley
Screenplay
Nunnally Johnson
Assistant Editor
John Glen
Director
Producer
Novel
Edgar Lustgarten
Associate Producer
Reginald Beck
Additional Dialogue
W.E. Fairchild
Peter Cusick
Huntington Hartford
Ronald Kinnoch
Original Music Composer
Benjamin Frankel
Director of Photography
Wilkie Cooper
Editor
Tom Simpson
Art Direction
George Paterson
Costume Design
Elizabeth Hennings
Makeup Artist
John O'Gorman
Hairdresser
Iris Tilley
Assistant Director
Adrian Pryce-Jones
Third Assistant Director
Peter Price
Sound Editor
Kitty Spreckley
Sound Mixer
Fred Turtle
Camera Operator
Eric Besche
Script Supervisor
Pat Wallace
Continuity
Betty Forster