Stefano Augenti, an ambitious advertising executive, meets a curious hippie named Count Mateo Tiepolo and they form a strange bond. Seeking an escape from his unhappy marriage, Augenti is lured by the Count into a bizarre plot to kill each other's relatives.
| Actor | Role |
|---|---|
 Tomas MilianStefano Augenti | Stefano Augenti |
 Pierre ClémentiCount Mateo Tiepolo | Count Mateo Tiepolo |
 Katia ChristineFabienne Bélanger | Fabienne Bélanger |
 Luigi CasellatoInspector Finzi | Inspector Finzi |
 Marisa BartoliLuisa Augenti, Stefano's wife | Luisa Augenti, Stefano's wife |
 Ottavio AlessiBalsamo | Balsamo |
 Alessandra CardiniChristina Müller (as Sandra Cardini) | Christina Müller (as Sandra Cardini) |
 Enzo TarascioArgenti's business associate | Argenti's business associate |
 Carla ManciniNot listed | Not listed |
| BBruno BoschettiAugenti's Butler | Augenti's Butler |
| GGiuseppe AlottaDeputy Commissioner | Deputy Commissioner |
| RRenée LorenaGerman Stranded at the Airport | German Stranded at the Airport |
 Vittorio PinelliAirport Pay Park Attendant | Airport Pay Park Attendant |
| CCathy MarchandWoman in black (uncredited) | Woman in black (uncredited) |