Credits
Cast
Donald Pleasence
Mr. Justice Lawrence Wargrave
Brenda Vaccaro
Marion Marshall
Frank Stallone Jr.
Capt. Philip Lombard
Herbert Lom
Gen. Brancko Romensky
Sarah Maur Thorp
Vera Claythorne
Warren Berlinger
Det. William Henry Blore
Yehuda Efroni
Dr. Hans Yokem Werner
Neil McCarthy
Anthony Marston
Moira Lister
Ethel Mae Rodgers
Paul L. Smith
Elmo Rodgers
Art
George Canes
Art Direction
Camera
Arthur Lavis
Director of Photography
Costume & Make-Up
Diana Cilliers
Costume Design
Annie Bartels
Makeup Artist
Directing
Alan Birkinshaw
Director
Editing
Penelope Shaw
Editor
Production
Michael Hartman
Associate Producer
Avi Lerner
Executive Producer
Harry Alan Towers
Producer
Sound
George S. Clinton
Original Music Composer
Alan Gerhardt
Sound Mixer
Patrick Cyccone Jr.
Sound Re-Recording Mixer
David Cunningham
Sound Re-Recording Mixer
Frank A. Montaño
Sound Re-Recording Mixer
Tony Garber
Supervising Sound Editor
Writing
Agatha Christie
Novel
Gerry O'Hara
Screenplay
Jackson Hunsicker
Screenplay