Byleth: The Demon of Incest (1972)

Director: Leopoldo Savona

A young man becomes obsessed with Byleth, the demon of incest, and it leads to an unhealthy infatuation with his sister.

Cast

Mark Damon

Duke Lionello Shandwell

Claudia Gravy

Barbara Shandwell

Aldo Bufi Landi

Giordano

Franco Jamonte

The Judge

Alessandro Perrella

Magistrate

Fernando Cerulli

Doctor

Silvana Pompili

Floriana

Marzia Damon

Gisella

Franco Marletta

Dario

Antonio Anelli

Father Clemente