Rome, 1977. Luciano Baccarini, married to the rich Irene Oro, is murdered at home while preparing a romantic dinner on the terrace for his lover. The investigations immediately focus on the man's private life.
| Actor | Role |
|---|---|
 Marina MalfattiIrene Oro | Irene Oro |
 Massimo GirottiMarcello Masini | Marcello Masini |
 Maria FioreGiovanna Pieracci | Giovanna Pieracci |
 Nando GazzoloRoberto Cialdi | Roberto Cialdi |
 Laura BecherelliOrnella Cialdi | Ornella Cialdi |
 Gisela HahnMonica Baum | Monica Baum |
 Paila PaveseGermana Spagna | Germana Spagna |
| FFrancesco CapitanoMauro Giuliani | Mauro Giuliani |
 Dario MazzoliIl Commissario | Il Commissario |
| GGianni De LuigiFranco Zanni | Franco Zanni |