| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.W. Watkins | Crew | Sound | Recording Supervision |
 Anatole de Grunwald | Crew | Production | Producer |
 Anthony Asquith | Crew | Directing | Director |
Anthony Mendleson | Crew | Costume & Make-Up | Costume Design |
Austin Dempster | Crew | Camera | Camera Operator |
Chic Anstiss | Crew | Camera | Focus Puller |
Douglas Milsome | Crew | Camera | Clapper Loader |
 Edith Head | Crew | Costume & Make-Up | Costume Design |
Elliot Scott | Crew | Art | Art Direction |
Frank Clarke | Crew | Editing | Editor |
Gene Coffin | Crew | Costume & Make-Up | Costume Design |
 Gerry Fisher | Crew | Camera | Camera Operator |
 Irene Howard | Crew | Production | Casting |
J.B. Smith | Crew | Sound | ADR & Dubbing |
 Jack Hildyard | Crew | Camera | Director of Photography |
Jimmy Komisarjevsky | Crew | Production | Unit Manager |
Joan Johnstone | Crew | Costume & Make-Up | Hairdresser |
John Graysmark | Crew | Art | Draughtsman |
John Jarvis | Crew | Art | Set Decoration |
John O'Gorman | Crew | Costume & Make-Up | Makeup Artist |
Maurice Fowler | Crew | Art | Assistant Art Director |
Pamela Carlton | Crew | Directing | Continuity |
 Pierre Cardin | Crew | Costume & Make-Up | Costume Design |
 Riz Ortolani | Crew | Sound | Original Music Composer, Conductor |
Roy Parkinson | Crew | Production | Associate Producer |
 Sydney Guilaroff | Crew | Costume & Make-Up | Hairstylist |
Ted Tester | Crew | Art | Draughtsman |
 Terence Rattigan | Crew | Writing | Screenplay |
Timothy Burrill | Crew | Production | Production Manager |
Tom Howard | Crew | Crew | Special Effects |
Tom Smith | Crew | Costume & Make-Up | Makeup Artist |
Vincent Korda | Crew | Art | Art Direction |
William Kellner | Crew | Art | Art Direction |
Giorgio Sciommer | Crew | Costume & Make-Up | Hairstylist |
Robert Watts | Crew | Directing | Second Assistant Director |
Kip Gowans | Crew | Directing | Assistant Director |
Dennis Fraser | Crew | Camera | Grip |
Cyril Swern | Crew | Sound | Sound Recordist |
Eddie Frewin | Crew | Crew | Transportation Captain |
 Katyna Ranieri | Crew | Sound | Songs |
Terry Knight | Crew | Art | Assistant Art Director |
Reg Bream | Crew | Art | Draughtsman |
Mickey Lennon | Crew | Art | Dressing Prop |
Philip Barnikel | Crew | Sound | Sound Editor |
Wally Fairweather | Crew | Camera | Focus Puller |
Rebecca Breed | Crew | Costume & Make-Up | Wardrobe Supervisor |
Pamela Cornell | Crew | Art | Set Decoration |
Norman Newell | Crew | Writing | Lyricist |
Kenneth McCallum Tait | Crew | Art | Assistant Art Director |
Chris Kelly | Crew | Editing | Assistant Editor |
Maria Carita | Crew | Costume & Make-Up | Hairstylist |
Antonio Cánovas del Castillo de Rey | Crew | Costume & Make-Up | Costume Design |
Douglas Adamson | Crew | Crew | Second Unit Cinematographer |
Rosy Carita | Crew | Costume & Make-Up | Hairstylist |
George Davis | Crew | Production | Production Accountant |
 Alain Delon | Cast | Actor | Stefano |
 Andreas Malandrinos | Cast | Actor | Italian Hotel Manager (uncredited) |
 Anthony Dawson | Cast | Actor | Mickey (uncredited) |
 Art Carney | Cast | Actor | Joey Friedlander |
 Bill Shine | Cast | Actor | Minor Role (uncredited) |
 Carlo Croccolo | Cast | Actor | Michele |
Dermot Kelly | Cast | Actor | Marquess of Frinton's Jockey (uncredited) |
 Edmund Purdom | Cast | Actor | Fane |
 Frank Williams | Cast | Actor | Racegoer (uncredited) |
 George C. Scott | Cast | Actor | Paolo Maltese |
George Roderick | Cast | Actor | Italian waiter (uncredited) |
 Grégoire Aslan | Cast | Actor | Albanian Ambassador |
 Guy Deghy | Cast | Actor | Mayor |
 Harold Kasket | Cast | Actor | Italian Garage Owner (uncredited) |
Harold Scott | Cast | Actor | Taylor |
 Ingrid Bergman | Cast | Actress | Gerda Millett |
 Isa Miranda | Cast | Actress | Duchesse d'Angoulême |
 Jacques Brunius | Cast | Actor | Duc de d'Angouleme (England) (uncredited) |
 Jeanne Moreau | Cast | Actress | The Marchioness of Frinton |
 Jonathan Cecil | Cast | (uncredited) | |
 Joyce Grenfell | Cast | Actress | Hortense Astor |
 Juba Kennerley | Cast | Actor | Dinner Guest (uncredited) |
 Lance Percival | Cast | Actor | Assistant Car Salesman |
 Martin Miller | Cast | Actor | Head Waiter |
 Michael Hordern | Cast | Actor | Harnsworth |
 Moira Lister | Cast | Actress | Lady St. Simeon |
 Omar Sharif | Cast | Actor | Davich |
 Reginald Beckwith | Cast | Actor | Reporter (uncredited) |
 Rex Harrison | Cast | Actor | The Marquess of Frinton |
 Riccardo Garrone | Cast | Actor | Bomba |
 Richard Pearson | Cast | Actor | Osborn |
 Richard Vernon | Cast | Actor | Race Course Official (uncredited) |
 Robert Nichols | Cast | Actor | American Travel Agent (uncredited) |
 Robert Rietti | Cast | Actor | Hotel Manager (uncredited) |
 Roland Culver | Cast | Actor | Norwood |
 Shirley MacLaine | Cast | Actress | Mae Jenkins |
 Wally Cox | Cast | Actor | Ferguson |
 Ernie Rice | Cast | Servant (uncredited) | |
Paul Beradi | Cast | Actor | Ascot Attendee (uncredited) |
 Victor Harrington | Cast | Actor | Ascot Attendee (uncredited) |
Hyma Beckley | Cast | Ascot Racegoer (uncredited) | |
Lewis Alexander | Cast | Ascot Attendee (uncredited) | |
Jack Arrow | Cast | Bellboy (uncredited) | |
Ernest Blyth | Cast | Ascot Attendee (uncredited) | |
Reg Thomason | Cast | Actor | Florence Restaurant Patron (uncredited) |
Harold Coyne | Cast | Actor | Ascot Attendee (uncredited) |
Joseph Tregonino | Cast | Italian Restaurant Waiter (uncredited) | |
Jack Mandeville | Cast | Dinner Guest (uncredited) | |
Louis Matto | Cast | Waiter (uncredited) | |
John More | Cast | Dinner Guest (uncredited) | |
Philip Stewart | Cast | Ascot Racegoer (uncredited) | |
Mary Maxfield | Cast | Ascot Attendee (uncredited) | |
Gerry Judge | Cast | Bookie (uncredited) | |
Philippa Hare | Cast | Dinner Guest (uncredited) | |
John Tatham | Cast | Ascot Attendee (uncredited) | |
Harry Phipps | Cast | Partisan (uncredited) | |
Charles Gilliard | Cast | Actor | Wounded Man (uncredited) |
Pauline Chamberlain | Cast | Actress | Woman in Green Gown at Banquet (uncredited) |
Roy Everson | Cast | Ascot Attendee (uncredited) | |
George Holdcroft | Cast | Dinner Guest (uncredited) | |
Maxwell Craig | Cast | Ascot Usher (uncredited) | |
Bunny Seaman | Cast | Ascot Attendee (uncredited) | |
Tom Gill | Cast | (uncredited) | |
Max Howard | Cast | Boy in Stately Home (uncredited) | |
John Lynn | Cast | Stevedore (uncredited) | |
James Payne | Cast | Man at Car Sales (uncredited) | |
Oliver Tomlin | Cast | Ascot Attendee (uncredited) | |
| Person | Type | Job | Role(s) |
