cast
- Jean-Paul Belmondo
- Laszlo Kovacs
- Antonella Lualdi
- Leda Mortoni
- Madeleine Robinson
- Therese Marcoux
- Jacques Dacqmine
- Henri Marcoux
- Jean Valerie
- Elizabeth Marcoux
- Bernadette Lafont
- Julie
- Mario David
- Roger the Milkman
- André Jocelyn
- Richard Marcoux
- Laszlo Szabo
- The Hungarian
crew
- Claude Chabrol
- Director
- Raymond Hakim
- Producer
- Robert Hakim
- Producer
- Paul Gégauff
- Screenwriter
- Stanley Ellin
- Book Author
- Henri Decaë
- Cinematographer
- Hector Berlioz
- Featured Music
- Paul Misraki
- Composer (Music Score)
- Wolfgang Amadeus Mozart
- Featured Music
- Jacques Gaillard
- Editor
- Bernard Evein
- Art Director
- Jacques Saulnier
- Art Director
- Jeannine Germes-Vergne
- Costume Designer
- Louis Bonnemaison
- Makeup
