- Stuart Whitman
- Orvil Newton
- Sarah Miles
- Patricia Rawnsley
- James Fox
- Richard Mays
- Alberto Sordi
- Count Emilio Ponticelli
- Robert Morley
- Lord Rawnsley
- Gert Fröbe
- Count Manfred Von Holstein
- Jean-Pierre Cassel
- Pierre Dubois
- Irina Demick
- Brigitte / Ingrid / Marlene / Françoise / Yvette / Betty
- Eric Sykes
- Courtney
- Red Skelton
- The Neanderthal Man / Ancient Greek Flyer / Medieval Flyer / Winged Bicycle Rider / Winged Car Rider / Jet Pack Tester / Ornithopter Pilot / Passenger in Airport
- Terry-Thomas
- Sir Percy Ware-Armitage
- Benny Hill
- Fire Chief Perkins
- Yûjirô Ishihara
- Yamamoto
- Flora Robson
- Mother Superior
- Karl Michael Vogler
- Captain Rumpelstrosse
- Sam Wanamaker
- George Gruber
- Eric Barker
- French Postman
- Maurice Denham
- Trawler Skipper
- Fred Emney
- Colonel on Road
- Gordon Jackson
- MacDougal
- Davy Kaye
- Jean Pascal
- John Le Mesurier
- French Painter
- Jeremy Lloyd
- Lieutenant Parsons
- Zena Marshall
- Countess Sofia Ponticelli
- Millicent Martin
- Airline Hostess
- Eric Pohlmann
- Italian Mayor
- Marjorie Rhodes
- Waitress
- Norman Rossington
- Assistant Fire Chief
- William Rushton
- Tremayne Gascoyne
- Graham Stark
- Fireman
- Jimmy Thompson
- Photographer
- Michael Trubshawe
- Niven
- Tony Hancock
- Harry Popperwell
- James Robertson Justice
- Narrator
- John Adams
- Gentleman
- Lewis Alexander
- Journalist
- Tony Allen
- Pressman
- Baxter Annakin
- Nelson - Parsons' Dog
- Bernard Barnsley
- Party Guest
- William Baskiville
- Gentleman
- Joe Beckett
- Man in Crowd
- Sidonie Bond
- Harry's girlfriend
- Peter Brayham
- Mechanic
- Gerald Campion
- Fireman
- Alf Casha
- Dignitary
- Pauline Challoner
- Ponticelli's Daughter
- Pauline Chamberlain
- Woman in Dover
- Robin Chapman
- Postman
- Arthur Collins
- Spectator
- Cicely Courtneidge
- Muriel - Colonel's Wife
- Billy Dean
- German Mechanic
- Vernon Dobtcheff
- Member of French Team
- Maurice Dunster
- French Policeman
- Norman Fisher
- Party Guest
- Norma Foster
- Minor Role
- Chick Fowles
- Reporter
- Jill Goldston
- Woman in Crowd
- Arthur Goodman
- Party Guest
- Gary Graham
- Child at Air Show
- Victor Harrington
- Journalist
- Max Howard
- Boy in Crowd
- Gordon Humphries
- Gentleman
- Judy Huxtable
- Girl at Dover Beach
- Juba Kennerley
- Journalist
- Eric Kent
- German Team
- Nigel Kingsley
- Youngest Child of Ponticelli
- Ferdy Mayne
- French Official
- Manny Michael
- Man in Crowd
- Addo Miles
- Patricia's Dog
- John Morris
- Chauffeur
- Bill Nagy
- American Journalist
- Michael Oscars
- Curious boy
- Steve Plytas
- Continental Journalist
- Charles Price
- Mechanic
- Edith Raye
- Woman in Crowd
- Mike Read
- Stuntman
- Fred Real
- Gentleman
- Bill Rooney
- Man
- Arthur Sandifer
- British Soldier
- Roy Seely
- Gentleman
- Nicholas Smith
- Fireman
- Paddy Smith
- Party Guest
- Ronnie Stevens
- Reporter
- Kenjin Takari
- Japanese Man
- Rita Tobin-Weske
- Nun
- James Ure
- Gentleman
- James Villiers
- Yamamoto
- Pearl Walters
- Party Guest
- Paul Weston
- Spectator
- Philip Yardley
- Philippe
