Peter Ustinov
Hercule Poirot
Peter Ustinov
Hercule Poirot
James Mason
Odell Gardener
Sylvia Miles
Myra Gardener
Roddy McDowall
Rex Brewster
Maggie Smith
Daphne Castle
Jane Birkin
Christine Redfern
Nicholas Clay
Patrick Redfern
Diana Rigg
Arlena Stuart Marshall
Denis Quilley
Kenneth Marshall
Colin Blakely
Horace Blatt
Emily Hone
Linda Marshall
Paul Antrim
Police Inspector
Cyril Conway
Police Surgeon
John Alderson
Police Sergeant
Richard Vernon
Flewitt
Dimitri Andreas
Gino
Robert Dorning
Concierge
Barbara Hicks
Flewitt's Secretary
Walter Henry
Waiter (uncredited)
Eric Kent
Desk Sergeant (uncredited)
Guy Standeven
Vicar on Train (uncredited)
Anthony Powell
Costume Design
Christopher Challis
Director of Photography
Alan Cassie
Art Direction
John Brabourne
Producer
Guy Hamilton
Director
Agatha Christie
Novel
Anthony Shaffer
Screenplay
Richard Goodwin
Producer
Richard Marden
Editor
John Lanchbery
Music Arranger
Cole Porter
Music
Barry Sandler
Writer
Hugh Casson
Title Designer
John Palmer
Camera Operator
Dyson Lovell
Casting
Robin Browne
Camera Operator
Nobby Cross
Gaffer
Frank Walsh
Set Designer
John Richards
Sound Recordist
Robert Ellis
Title Graphics
John W. Mitchell
Sound Recordist
Andy Armstrong
Second Assistant Director
Elliot Scott
Production Design
Barrie Melrose
Production Supervisor
Bob Penn
Still Photographer
Jill Carpenter
Makeup Artist
Nicholas Stevenson
Sound Editor
Bill Rowe
Sound Recordist
Rosemary Burrows
Wardrobe Supervisor
Derek Cracknell
First Assistant Director
Peter Howitt
Set Decoration
Jim Brennan
Production Manager
Roy Birchley
Assistant Editor
Ramon Gow
Hairdresser