Hercule Poirot

Albert Finney

Mrs. Harriet Belinda Hubbard

Lauren Bacall

Greta Ohlsson

Ingrid Bergman

Signor Bianchi

Martin Balsam

Colonel Arbuthnot

Sean Connery

Countess Andrenyi

Jacqueline Bisset

Pierre Paul Michel, the Conductor (as Jean Pierre Cassel)

Jean-Pierre Cassel

Mr. Beddoes

John Gielgud

Princess Dragomiroff

Wendy Hiller

Hector MacQueen

Anthony Perkins

Mary Debenham

Vanessa Redgrave

Hildegarde Schmidt

Rachel Roberts

Ratchett/Cassetti

Richard Widmark

Count Andrenyi

Michael York

Mr. Hardman

Colin Blakely

Dr. Constantine

George Coulouris

A.D.C.

Jeremy Lloyd

Concierge

Vernon Dobtcheff

Foscarelli

Denis Quilley

Chief Attendant

John Moffatt

Chef

George Silver

Turkish Ticket Collector

David de Keyser

Dining Car Steward

Leon Lissek

Loudspeaker

Robert Rietty

Hawker

Vic Tablian

Turkish pianist in the hotel

Leslie Soden

Traveling Salesman

Nubar Terziyan

Director

Sidney Lumet