A young man becomes obsessed with Byleth, the demon of incest, and it leads to an unhealthy infatuation with his sister.
| Actor | Role |
|---|---|
 Mark DamonDuke Lionello Shandwell | Duke Lionello Shandwell |
 Claudia GravyBarbara Shandwell | Barbara Shandwell |
 Aldo Bufi LandiGiordano | Giordano |
 Franco JamonteThe Judge | The Judge |
 Alessandro PerrellaMagistrate | Magistrate |
 Fernando CerulliDoctor | Doctor |
| SSilvana PompiliFloriana | Floriana |
 Marzia DamonGisella | Gisella |
 Franco MarlettaDario | Dario |
 Antonio AnelliFather Clemente | Father Clemente |
 Carla ManciniNot listed | Not listed |
| TTony DentonNot listed | Not listed |
| BBruna BainiNot listed | Not listed |
| FFlorian EndlicherDolores' Lover (creditless) | Dolores' Lover (creditless) |
 Karin LorsonDolores (creditless) | Dolores (creditless) |