Stuart Whitman
Orvil Newton
Sarah Miles
Patricia Rawnsley
Alberto Sordi
Count Emilio Ponticelli
Robert Morley
Lord Rawnsley
Gert Frobe
Count Manfred Von Holstein
Jean-Pierre Cassel
Pierre Dubois
Irina Demick
Brigitte / Ingrid / Marlene / Francoise / Yvette / Betty
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
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
John Le Mesurier
French Painter
Jeremy Lloyd
Lieutenant Parsons
Zena Marshall
Countess Sofia Ponticelli
Millicent Martin
Airline Hostess
Eric Pohlmann
Italian Mayor
Norman Rossington
Assistant Fire Chief
William Rushton
Tremayne Gascoyne
Jimmy Thompson
Photographer
Tony Hancock
Harry Popperwell
James Robertson Justice
Narrator
Lewis Alexander
Journalist
Baxter Annakin
Nelson - Parsons' Dog
Bernard Barnsley
Party Guest
William Baskiville
Gentleman
Sidonie Bond
Harry's girlfriend
Pauline Challoner
Ponticelli's Daughter
Pauline Chamberlain
Woman in Dover
Cicely Courtneidge
Muriel - Colonel's Wife
Billy Dean
German Mechanic
Vernon Dobtcheff
Member of French Team
Maurice Dunster
French Policeman
Jill Goldston
Woman in Crowd
Arthur Goodman
Party Guest
Gary Graham
Child at Air Show
Victor Harrington
Journalist
Gordon Humphries
Gentleman
Judy Huxtable
Girl at Dover Beach
Nigel Kingsley
Youngest Child of Ponticelli
Ferdy Mayne
French Official
Manny Michael
Man in Crowd
Bill Nagy
American Journalist
Michael Oscars
Curious boy
Steve Plytas
Continental Journalist
Arthur Sandifer
British Soldier
Kenjin Takari
Japanese Man