81 mins | Drama, Horror | May 31, 1972
81 mins | Drama, Horror | May 31, 1972
| IMDb rating | 4.8 |
| Producers | Agata Film |
| Original title | Byleth - il demone dell'incesto |
| Directors | Leopoldo Savona |
| Writers | Norbert Blake, Leopoldo Savona |
as Duke Lionello Shandwell
as Barbara
as Giordano
as Doctor
as Floriana
as Gisella
as Il Preta
as
as Lover of 1st Victim
as Dolores