Credits
Cast
Francesca Annis
Lady Frances Derwent
John Gielgud
Reverend Jones
Bernard Miles
Dr. Thomas
Eric Porter
Dr. Nicholson
Leigh Lawson
Roger Bassington-ffrench
James Warwick
Bobby Jones
Madeline Smith
Moira Nicholson
Connie Booth
Sylva Bassington-ffrench
Joan Hickson
Mrs. Rivington
Lynda La Plante
Mrs. Roberts
Doris Hare
Rose Pratt
James Cossins
Henry Bassington-ffrench
Robert Longden
Badger Beadon
Roland Davies
Dr. George Arbuthnot
Art
Frank Nerini
Production Design
Bryan Bagge
Production Design
Camera
Mike Humphreys
Director of Photography
Costume & Make-Up
Penny Lowe
Costume Design
Pauline Green
Makeup Artist
Directing
John Davies
Director
Tony Wharmby
Director, Executive Producer
Editing
Ray Helm
Editor
Production
Corinne Rodriguez
Casting
Jack Williams
Producer
Sound
Joseph Horovitz
Original Music Composer
Alan Mills
Sound
Writing
Agatha Christie
Novel
Pat Sandys
Writer