Peter Ustinov
Hercule Poirot
Jane Birkin
Louise Bourget
Lois Chiles
Linnet Ridgeway Doyle
Bette Davis
Marie Van Schuyler
Mia Farrow
Jacqueline de Bellefort
Olivia Hussey
Rosalie Otterbourne
George Kennedy
Andrew Pennington
Angela Lansbury
Salome Otterbourne
Simon MacCorkindale
Simon Doyle
Jack Warden
Ludwig Bessner
Celia Imrie
Maid (uncredited)
Saeed Jaffrey
Servant (uncredited)
Barbara Hicks
Schoolteacher (uncredited)
François Guillaume
Doublure Lumière (uncredited)
Reg Lye
Workman (uncredited)
Andrew Manson
Egyptian (uncredited)
