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