- Roger Hanin
- Daniel Layton, Agent B-17
- Sylva Koscina
- Dolorès Arrabal, Fashion Designer
- Catherine Allégret
- Marion, Tourist Guide
- Dominique Wilms
- Petula Menendez, Secret Service Agent
- Laura Valenzuela
- Rosário Pérez y Martin
- Francisco Piquer
- Pablo Gómez
- Henri Crémieux
- Marvier, Secret Service Chief
- Jean-Pierre Darras
- Detective in Interrogation Room
- Luis Peña
- Misrah Petrich
- Guy Delorme
- Jésus, Gregory's Hitman
- Henri Lambert
- Adams, Gregory's Hitman
- Michel Duplaix
- Secret Service Director
- Antonio Passalia
- Rodriguez, the Man in Room 332
- José Jaspe
- Enrique Manega
- François Maistre
- Hakim Gregory
- Antoine Baud
- Mishra's Hitman with Non Lit Cigarette
- Philippe Brigaud
- Secret Service Supervisor
- André Cagnard
- José, Mishra's Hitman
- Michel Charrel
- Poker.Player with Cigarillo
- Serge Gainsbourg
- Man Asking for a Lighter
- Renée Gardès
- Pension Landlady
- Anna Gaylor
- Fashion Shop Redhead Attendant
- Henri Guégan
- Miguel, Mishra's Hitman in Brown Jacket
- Sylvain Levignac
- Poker Player in Brown Suit
- Rico Lopez
- Manuel, Poker Player with Pox Face
- Jean Minisini
- Fashion Shop Night Guard
- Elisa Montés
- Singer
- Luis Morris
- Mishra's Hitman
- Paul Pavel
- Gregory's Accomplice In Interrogation Room
- Barbara Rütting
- Miss Parker
- Horst Tappert
- Man in Restaurant
- Elena MarÃa Tejeiro
- Dancer
- Olga Valéry
- American Tourist with White Hat
- Eric Vasberg
- Un homme dans la grange
- Lionel Vitrant
- Beignard, Gregory's Driver
- Michel Vocoret
- Police Photographer
- Fred Williams
- Minor Role
