Casting
Director
Sidney Lumet
Producer
Richard Goodwin, John Brabourne
Screenplay
Paul Dehn
Novel
Agatha Christie
Original Music Composer
Richard Rodney Bennett
Director of Photography
Geoffrey Unsworth
Editor
Anne V. Coates
Production Design
Jack Causey, Tony Walton
Art Direction
Jack Stephens
Costume Design
Tony Walton
Makeup Artist
Charles E. Parker, John O'Gorman, Stuart Freeborn



















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