Peter Ustinov

as Hercule Poirot

James Mason

as Odell Gardener

Sylvia Miles

as Myra Gardener

Roddy McDowall

as Rex Brewster

Maggie Smith

as Daphne Castle

Jane Birkin

as Christine Redfern

Nicholas Clay

as Patrick Redfern

Diana Rigg

as Arlena Stuart Marshall

Denis Quilley

as Kenneth Marshall

Guy Hamilton

Director