Ingrid Bergman as Gerda Millett

Rex Harrison as The Marquess of Frinton

Shirley MacLaine as Mae Jenkins

Jeanne Moreau as The Marchioness of Frinton

George C. Scott as Paolo Maltese

Omar Sharif as Davich

Alain Delon as Stefano

Art Carney as Joey Friedlander

Joyce Grenfell as Hortense Astor

Edmund Purdom as Fane

Michael Hordern as Harnsworth

Lance Percival as Assistant Car Salesman

Roland Culver as Norwood

Moira Lister as Lady St. Simeon

Harold Scott as Taylor

Richard Pearson as Osborn

Isa Miranda as Duchesse d'Angoulême

Grégoire Aslan as Albanian Ambassador

Riccardo Garrone as Bomba

Wally Cox as Ferguson

Carlo Croccolo as Michele

Guy Deghy as Mayor

Martin Miller as Head Waiter

Reginald Beckwith as Reporter

Jacques Brunius as Duc de d'Angouleme (England) (uncredited)

Anthony Dawson as Mickey (uncredited)

Harold Kasket as Italian Garage Owner (uncredited)

Frank Williams as Racegoer (uncredited)

Jack Arrow as Bellboy (uncredited)

Hyma Beckley as Ascot Racegoer (uncredited)

Reginald Beckwith as Reporter (uncredited)

Paul Beradi as Ascot Attendee (uncredited)

Ernest Blyth as Ascot Attendee (uncredited)

Daniel Brown as Partisan (uncredited)

Jonathan Cecil as (uncredited)

Pauline Chamberlain as Woman in Green Gown at Banquet (uncredited)

Harold Coyne as Ascot Attendee (uncredited)

Maxwell Craig as Ascot Usher (uncredited)

Roy Everson as Ascot Attendee (uncredited)

Tom Gill as (uncredited)

Charles Gilliard as Wounded Man (uncredited)

Philippa Hare as Dinner Guest (uncredited)

Victor Harrington as Ascot Attendee (uncredited)

George Holdcroft as Dinner Guest (uncredited)

Max Howard as Boy in Stately Home (uncredited)

Gerry Judge as Bookie (uncredited)

Dermot Kelly as Marquess of Frinton's Jockey (uncredited)

Juba Kennerley as Dinner Guest (uncredited)

John Lynn as Stevedore (uncredited)

Andreas Malandrinos as Italian Hotel Manager (uncredited)

Jack Mandeville as Dinner Guest (uncredited)

Louis Matto as Waiter (uncredited)

Mary Maxfield as Ascot Attendee (uncredited)

John More as Dinner Guest (uncredited)

Robert Nichols as American Travel Agent (uncredited)

James Payne as Man at Car Sales (uncredited)

Harry Phipps as Partisan (uncredited)

Ernie Rice as Servant (uncredited)

Robert Rietti as Hotel Manager (uncredited)

George Roderick as Italian waiter (uncredited)

Bunny Seaman as Ascot Attendee (uncredited)

Bill Shine as Minor Role (uncredited)

Philip Stewart as Ascot Racegoer (uncredited)

John Tatham as Ascot Attendee (uncredited)

Reg Thomason as Florence Restaurant Patron (uncredited)

Oliver Tomlin as Ascot Attendee (uncredited)

Joseph Tregonino as Italian Restaurant Waiter (uncredited)

Richard Vernon as Race Course Official (uncredited)