| Alastair Sim |
Sir Norman Barker |
| Ronald Shiner |
Bandsman Dicky Bird |
| Claire Bloom |
Susan Robbins |
| Margaret Rutherford |
Gwladys Inglott |
| Claude Dauphin |
Max de Lorne |
| Jimmy Edwards |
Captain George Stilton |
| James Copeland |
Andy McGregor |
| Gaby Bruyere |
Josette |
| Monique Gerard |
Raymonde |
| Peter Illing |
Panitov |
| Colin Gordon |
Customs Officer |
| Kenneth Kove |
Bickerstaff |
| Frank Muir |
Stilton's Friend |
| Philip Stainton |
Nobby Clarke |
| Peter Jones |
Langton |
| Stringer Davis |
Arbuthnott |
| Richard Wattis |
British Official |
| Louis De Funès (as Louis De Funes) |
Celestin |
| Albert Dinan |
Louvre Doorman |
| Maurice Baquet |
Frenchman in Britannia Bar |
| Ludmila Lopato |
Chanteuse |
| Georgette Anys |
Madame Celestin |
| Polycarpe Pavloff |
Waiter in Russian Restaurant |
| Gregoire Aslan |
Carpet Seller |
| Laurence Harvey |
Francois |
| Mara Lane |
Gloria |
| Reginald Beckwith |
Photographer |
| Alf Goddard |
Sergeant Major |
| Miles Joyce |
Steve Wheeler |
| Christopher Lee |
Lieutenant Whitlock |
| Joan Winmill |
Uniformed Girl |
| Douglas Ives |
Customs Officer |
| Bill Shine |
Customs Officer Examining Painting |
| Andreas Malandrinos (as Andrea Malandrinos) |
French Customs Officer |
| John Serret |
French Customs Officer |
| Frederick Schrecker |
Porter |
| Yannick Malloire |
Celestin's Daughter |
| Sophie Mallet |
Woman in the Road |
| Marcelle Féry |
Concierge |
| Solange Bery |
Florist |
| Charles Deschamps |
Orator |
| Max Dalban |
Butcher |
| André Philip |
Concierge |
| Numes Fils |
Maitre d'Hotel |
| Sylvain |
Wine Seller |
| Joyce Marlowe |
Maid |
| Walter Horsbrugh |
Australian Conference Chairman |
| Alain Bouvette |
Baggage Handler |
| Amato |
Garcon de Café |
| Jacques Ciron |
Marine Officer |
| Moreau |
Interpreter |
| Dita Hands |
Stewardess |
| Lynn Craig |
Uniformed Woman |
| Kenneth Williams |
Airport Window Dresser |
| Joan Benham |
Receptionist |
| Hamilton Keene |
Reporter |
| Peter Rendall |
Reporter |
| John Brooking |
Passport Official |
| Toke Townley |
Porter |
| Delene Scott |
Little French Girl |
| Lesley Dudley |
Little Girl |
| Jean Richard |
Actor |
| Irene De Strozzi |
Actor |