7, Hyden Park: la casa maledetta
aka: Formula for a Murder / Formula per un assassinio / Seven Hyden Park: la casa maledetta
VHS: サイコ・キラー
Theater: 殺しの方程式 サイコキラー
Direct: Alberto De Martino (as Martin Herbert)
Script: Alberto De Martino (as Martin Herbert) + Vincenzo Mannino (as Frank Walker)
Score: Francesco De Masi
Produce: Fabrizio De Angelis
Cast: David Warbeck (Craig) + Carroll Blumenberg (Ruth) + Rossano Brazzi (Dr. Sernich) + Andrea Bosic (Father Peter) + Christina Nagy (Joanna) (as Christiane Nagy)
