- Peter Illing
- Panitov
- Gaby Bruyère
- Josette
- James Copeland
- Andy McGregor
- Monique Gérard
- Raymonde
- Mara Lane
- Gloria Delaney
- Laurence Harvey
- François
- Claude Dauphin
- Max
- Jimmy Edwards
- Captain George Stilton
- Margaret Rutherford
- Gwladys Inglott
- Claire Bloom
- Susan Robbins
- Ronald Shiner
- Dicky Bird
- Alastair Sim
- Sir Norman Barker
- Colin Gordon
- Customs Officer
- Kenneth Kove
- Bickerstaff
- Frank Muir
- George's Friend
- Philip Stainton
- Nobby Clarke
- Peter Jones
- Langton
- Stringer Davis
- Arbuthnot
- Richard Wattis
- Wilkinson
- The Band of Plymouth Group Royal Marines
- Themselves
- Louis de Funès
- Monsieur Celestin
- Albert Dinan
- Louvre Doorman
- Jean Richard
- Montmartre painter
- Maurice Baquet
- Boy in the bar
- Ludmila Lopato
- Singer
- Georgette Anys
- Madame Celestin
- Irene De Strozzi
- (as Irene de Strozzi)
- Grégoire Aslan
- Carpet Seller
- Le French Cancan du Moulin Rouge
- Themselves
- Chris Adcock
- Bandsman
- Jean-Marie Amato
- Garcon de Cafe
- Solange Bary
- Fleuriste a la Cascade
- Reginald Beckwith
- Photographer
- Joan Benham
- Receptionist
- Joseph Bimstone
- (uncredited)
- Alain Bouvette
- Bagagiste
- Eddie Boyce
- Soldier
- John Brooking
- Customs Official
- Daniel Brown
- Airport Worker
- Cyril Chamberlain
- Bit Part
- Jacques Ciron
- Marine Officer
- Lynn Craig
- Uniformed Woman
- Max Dalban
- Butcher
- Dan Darnelli
- Customs Officer
- Guy De Monceau
- (uncredited)
- Charles Dechamps
- An Orator
- Lesley Dudley
- Minor Role
- Evanghelou
- (uncredited)
- Marcelle Féry
- Concierge
- Alf Goddard
- Sergeant-Major
- Vera Grech
- (uncredited)
- Victor Hagan
- Airport Porter
- Dita Hands
- Stewardess
- Victor Harrington
- Airline Passenger
- Hubert Hill
- Reporter
- Walter Horsbrugh
- Conference Chairman
- Douglas Ives
- Customs Officer
- Miles Joyce
- Steve Wheeler
- Hamilton Keene
- Reporter
- Georges Kobakhidze
- (uncredited)
- Christopher Lee
- Lieutenant Whitlock
- John Lynn
- Reporter
- Andreas Malandrinos
- French Customs Officer
- Sophie Mallet
- Woman in the Road
- Yannick Malloire
- The Celestin Child
- Joyce Marlow
- Maid
- Jack May
- (uncredited)
- Albert Michel
- Traffic Officer
- Moreau
- Interpreter
- Jim Morris
- Soldier
- André Numès Fils
- Maitre d'Hotel
- André Philip
- Concierge
- Vladimir Polyakov
- (uncredited)
- Roger Rafal
- (uncredited)
- Charles Rayford
- Steward
- Peter Rendalen
- Reporter
- Ivan Samson
- (uncredited)
- Arthur Sandifer
- Passenger
- Frederick Schrecker
- Porter
- Delene Scott
- Little French Girl
- John Serret
- French Customs Officer
- Bill Shine
- Customs Officer
- Vladimir Slastcheff
- (uncredited)
- Sylvain
- Marchand de Vin
- Toke Townley
- Airport Porter
- Kenneth Williams
- Window Dresser at London Airport
- Joan Winmill Brown
- Uniformed Girl
