"An ailing famous barrister agrees to defend a man in a sensational murder trial where his self-possessed wife's unconvincing testimony confuses him."
Tyrone Power
as Leonard Vole
Marlene Dietrich
as Christine
Charles Laughton
as Sir Wilfrid
Elsa Lanchester
as Miss Plimsoll
John Williams
as Brogan-Moore
Henry Daniell
as Mayhew
Ian Wolfe
as Carter
Torin Thatcher
as Mr. Myers
Norma Varden
as Mrs. French
Una O'Connor
as Janet
Francis Compton
as Judge
Philip Tonge
as Inspector Hearne
Ruta Lee
as Diana
Patrick Aherne
as Court Officer (uncredited)
Don Ames
as Bar Patron (uncredited)
Walter Bacon
Eddie Baker
as Courtroom Spectator (uncredited)
Benjie Bancroft
John Barton
Brandon Beach
as Juror (uncredited)
George Blagoi
Arline Bletcher
Danny Borzage
Tex Brodus
George Bruggeman
George Calliga
Steve Carruthers
as Barrister (uncredited)
Albert Cavens
Oliver Cross
Harry Denny
Helen Dickson
Minta Durfee
Marjorie Eaton
as Miss O'Brien (uncredited)
Franklyn Farnum
Bess Flowers
as Courtroom spectator (uncredited)
Herschel Graham
Marion Gray
Stuart Hall
Art Howard
Michael Jeffers
as Cafe Patron (uncredited)
Colin Kenny
Paul Kruger
Jeanne Lafayette
Wilbur Mack
Frank McLure
Ottola Nesmith
as Miss Johnson (uncredited)
William H. O'Brien
J. Pat O'Malley
as Shorts Salesman (uncredited)
George Pelling
as Bit Part (uncredited)
Fred Rapport
Jack Raine
as Doctor (uncredited)
Waclaw Rekwart
Leoda Richards
as Hat Store Sales Clerk (uncredited)
John Roy
Edna Smith
Scott Seaton
Cap Somers
Bert Stevens
Jeffrey Sayre
as Clerk at Old Bailey (uncredited)
Norbert Schiller
as Spotlight Operator in German Cafe (uncredited)
Arthur Tovey
Ben Wright
as Barrister Reading Charges (uncredited)
Glen Walters
Joe Gilbert
Harry Kurnitz
Screenplay
Lawrence B. Marcus
Adaptation
Billy Wilder
Agatha Christie
Novel
Director
Doane Harrison
Production Assistant
William Maybery
Casting
Frank Losee
Second Assistant Director
Basil Bleck
Technical Advisor
Ray Sebastian
Makeup Artist
Edward Small
Presenter
Alexandre Trauner
Production Design
Daniel Mandell
Editor
Arthur Hornblow Jr.
Producer
Fred Lau
Sound
John Franco
Script Supervisor
Wally Westmore
Gustaf Norin
Joe King
Costume Design
Emmett Emerson
Assistant Director
Lee Zavitz
Special Effects
Edith Head
Russell Harlan
Director of Photography
Executive Producer
Charles Gemora
Adele Parmenter
Madison S. Lacy
Still Photographer
Howard Bristol
Set Decoration
Ben Hersh
Production Supervisor
Matty Malneck
Original Music Composer
Art Direction
Harry Ray
Helene Parrish
Hairdresser
Nellie Manley
Stanley Detlie
Property Master
Leonid Raab
Music Arranger
Ernest Gold
Conductor