Credits
Cast
Bill Bixby
Prof. Luke Williams
Helen Hayes
Lavinia Fullerton
Lesley-Anne Down
Bridget Conway
Olivia de Havilland
Honoria Waynflete
Patrick Allen
Maj. Horton
Shane Briant
Dr. Thomas
Freddie Jones
Const. Reed
Leigh Lawson
Jimmy Lorrimer
Jonathan Pryce
Mr. Ellsworthy
Ivor Roberts
Vicar
Trevor T. Smith
Rivers
Anthony Valentine
Abbot
Timothy West
Lord Gordon Easterfield
Carol MacReady
Mrs. Pierce
Diana Goodman
Rose Humbleby
Frederick Wolfe
Avery
Patrick Wright
Attendant
Art
Ian Whittaker
Art Direction
Ann Mollo
Set Decoration
Camera
Brian Tufano
Director of Photography
Costume & Make-Up
Joan Carpenter
Hairstylist
Barry Richardson
Hairstylist
Eddie Knight
Makeup Artist
Ernest Gasser
Makeup Artist
Directing
Claude Whatham
Director
Editing
David Newhouse
Editor
Production
David L. Wolper
Executive Producer
Stan Margulies
Producer
Sound
Gerald Fried
Music
Writing
Agatha Christie
Novel
Carmen Culver
Teleplay