Ingrid Bergman

Gerda Millett

Rex Harrison

The Marquess of Frinton

Shirley MacLaine

Mae Jenkins

Jeanne Moreau

The Marchioness of Frinton

George C. Scott

Paolo Maltese

Omar Sharif

Davich

Alain Delon

Stefano

Art Carney

Joey Friedlander

Joyce Grenfell

Hortense Astor

Edmund Purdom

Fane

Michael Hordern

Harnsworth

Lance Percival

Assistant Car Salesman

Roland Culver

Norwood

Moira Lister

Lady St. Simeon

Richard Pearson

Osborn

Isa Miranda

Duchesse d'Angoulême

Grégoire Aslan

Albanian Ambassador

Riccardo Garrone

Bomba

Wally Cox

Ferguson

Carlo Croccolo

Michele

Guy Deghy

Mayor

Martin Miller

Head Waiter

Reginald Beckwith

Reporter

Jacques Brunius

Duc de d'Angouleme (England) (uncredited)

Anthony Dawson

Mickey (uncredited)

Harold Kasket

Italian Garage Owner (uncredited)

Frank Williams

Racegoer (uncredited)

Reginald Beckwith

Reporter (uncredited)

Jonathan Cecil

(uncredited)

Andreas Malandrinos

Italian Hotel Manager (uncredited)

Robert Nichols

American Travel Agent (uncredited)

Robert Rietti

Hotel Manager (uncredited)

Bill Shine

Minor Role (uncredited)

Richard Vernon

Race Course Official (uncredited)