Francis Quinncannon
Barry Fitzgerald
Edward Armstrong
Walter Huston
Fred Narracott
Harry Thurston
Philip Lombard
Louis Hayward
William Blore
Roland Young
Vera Claythorne
June Duprez
Nikita "Nikki" Starloff
Mischa Auer
John Mandrake
C. Aubrey Smith
Emily Brent
Judith Anderson
Thomas Rogers
Richard Haydn
Ethel Rogers
Queenie Leonard
Producer
René Clair
Director
Novel
Agatha Christie
Director of Photography
Lucien N. Andriot
Original Music Composer
Mario Castelnuovo-Tedesco
Screenplay
Dudley Nichols
Art Direction
Ernst Fegté
Associate Producer
Leo C. Popkin
Set Decoration
Edward G. Boyle
Unit Manager
Ben Berk
Sound Recordist
Corson Jowett
Editor
Harvey Manger
Production Manager
Joseph H. Nadel
Assistant Director
Sam Nelson
Music Director
Charles Previn
Arthur Johns
Costume Design
René Hubert