An ambitious mobster plans an elaborate diamond heist while seducing the daughter-in-law of a ruthless mob patriarch as a determined police commissioner closes in on all of them.

Jean Gabinas Vittorio Manalese
Alain Delonas Roger Startet
Lino Venturaas Commissaire Le Goff
Irina Demickas Jeanne Manalese, épouse d'Aldo
Amedeo Nazzarias Tony Nicosia
Yves Lefebvreas Aldo Manalese, fils aîné de Vittorio
Philippe Baronnetas Luigi, gendre de Vittorio, mari de Teresa
Karen Blanguernonas Teresa, fille de Vittorio
Elisa Ceganias Maria Manalese, l'épouse de Vittorio
Henri Decaë