| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alex Archambault | Crew | Costume & Make-Up | Hairstylist |
Auguste Capelier | Crew | Art | Set Decoration |
 Carlo Ponti | Crew | Production | Producer |
 Henri Alekan | Crew | Camera | Director of Photography |
Jacqueline Guyot | Crew | Costume & Make-Up | Costume Design |
Jean Françaix | Crew | Sound | Original Music Composer |
Karl Baumgartner | Crew | Crew | Special Effects |
Marcel Escoffier | Crew | Costume & Make-Up | Costume Design |
Margot Capelier | Crew | Production | Casting Director |
 Peter Ustinov | Crew | Directing | Director, Writer |
Roger Dwyre | Crew | Editing | Editor |
 Romain Gary | Crew | Writing | Novel |
 William Robert Sivel | Crew | Sound | Sound Engineer |
 William Tuttle | Crew | Costume & Make-Up | Makeup Artist |
Maurice Barnathan | Crew | Art | Set Dresser |
Jean-André d'Eaubonne | Crew | Art | Set Designer |
Michel Deruelle | Crew | Costume & Make-Up | Makeup Artist |
Amalia Paoletti | Crew | Costume & Make-Up | Hairstylist |
Paul Feyder | Crew | Directing | Assistant Director |
Raymond Picon Borel | Crew | Camera | Camera Operator |
 Pierre Laurent | Crew | Production | Production Manager |
Giuseppe Annunziata | Crew | Costume & Make-Up | Makeup Artist |
René Fargeas | Crew | Production | Unit Manager |
Lucie Lichtig | Crew | Directing | Continuity |
 Arthur Howard | Cast | Actor | Butler |
 Cecil Parker | Cast | Actor | Sir Percy |
 Claude Dauphin | Cast | Actor | Inspector Mercier |
 Daniel Emilfork | Cast | Actor | Kobeleff |
 David Niven | Cast | Actor | Dicky, Lord Lendale |
 Dorothy Reynolds | Cast | Actress | |
Hazel Hughes | Cast | Actress | |
Hella Petri | Cast | Madam | |
 Jacques Ciron | Cast | Actor | |
 Jacques Dufilho | Cast | Actor | Bealu |
 Jacques Legras | Cast | Actor | Un inspecteur de police |
 Jean Rupert | Cast | Actor | |
 Jean Wiener | Cast | Actor | Krajewski |
 Joe Dassin | Cast | Actor | Un inspecteur de police |
 Marcel Dalio | Cast | Actor | Sapper |
 Mario Feliciani | Cast | Actor | L'anarchiste italien |
 Michel Piccoli | Cast | Actor | Lecoeur |
 Paul Newman | Cast | Actor | Armand Denis |
Peter Ustinov | Cast | Actor | Prince Otto of Bavaria |
 Philippe Noiret | Cast | Actor | Ambroise Gérôme |
 Roger Trapp | Cast | Actor | L'inspecteur de police Dubaron |
 Sacha Pitoëff | Cast | Actor | Bomb-throwing revolutionary |
 Sophia Loren | Cast | Actress | Lady Louise Lendale / Lady L |
 Tanya Lopert | Cast | Actress | Agneau (uncredited) |
 Eugene Deckers | Cast | Actor | Koenigstein |
| Person | Type | Job | Role(s) |
