Christine Vole
Diana Rigg
Sir Wilfred Robarts
Ralph Richardson
Frank Mills
Nurse Plimsoll
Deborah Kerr
Leonard Vole
Beau Bridges
Mr. Myers
Donald Pleasence
Janet Mackenzie
Wendy Hiller
Mayhew
David Langton
Brogan-Moore
Richard Vernon
Carter
Peter Sallis
Judge
Michael Gough
Screenplay
Harry Kurnitz
Director
Alan Gibson
Billy Wilder
Lawrence B. Marcus
John Gay
Novel
Agatha Christie
Producer
Norman Rosemont
Original Music Composer
John Cameron
Director of Photography
Arthur Ibbetson