"An ailing barrister is thrust back into the courtroom in what becomes one of the most unusual and eventful murder cases of the lawyer's career when he finds himself defending a man being tried for the murder of a socialite."
Ralph Richardson
as Sir Wilfred Robarts
Deborah Kerr
as Nurse Plimsoll
Beau Bridges
as Leonard Vole
Donald Pleasence
as Mr. Myers
Wendy Hiller
as Janet Mackenzie
Diana Rigg
as Christine Vole
David Langton
as Mayhew
Richard Vernon
as Brogan-Moore
Peter Sallis
as Carter
Michael Gough
as Judge
Frank Mills
as Chief Inspector Hearne
Michael Nightingale
as Clerk of the Court
Peter Copley
as Dr. Harrison
Patricia Leslie
as Mrs. French
John Kidd
as Court Usher
Ken Kitson
as Policeman (as Kit Kitson)
Wilfred Grove
as Photographer
Primi Townsend
as Diana
Andrew MacLachlan
as Jury Foreman
Aubrey Woods
as Tailor
Zulema Dene
as Miss Johnson
Barbara New
as Miss O'Brien
Jenny Donnison
as 1st Nurse
Ceri Jackson
as 2nd Nurse
Harold Coyne
as Juror (uncredited)
Walter Henry
Gerry Judge
as Man in Court (uncredited)
Reg Thomason
as Barrister (uncredited)
Harry Van Engel
John Gay
Screenplay
Billy Wilder
Alan Gibson
Director
Harry Kurnitz
John Cameron
Original Music Composer
Arthur Ibbetson
Director of Photography
Norman Rosemont
Producer
Agatha Christie
Novel
Lawrence B. Marcus