Albert Finney (Hercule Poirot)
Lauren Bacall (Mrs. Hubbard)
Ingrid Bergman (Greta)
Sean Connery (Col. Arbuthnot)
Martin Balsam (Bianchi)
Vanessa Redgrave (Mary Debenham)
Wendy Hiller (Princess Dragomiroff)
Colin Blakely (Cyrus Hardman)
Jean-Pierre Cassel (Pierre Michel)
George Coulouris (Dr. Constantine)
John Moffatt (Chief Attendant)
Anthony Perkins (McQueen)
Jeremy Lloyd (A.D.C.)
Michael York (Count Andrenyi)
Vernon Dobtcheff (Concierge)
John Gielgud (Beddoes)
Rachel Roberts (Hildegarde Schmidt)
Denis Quilley (Antonio Foscarelli)
George Silver (Chef)
Richard Widmark (Ratchett)
Jacqueline Bisset (Countess Andrenyi)