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