Bloodletter! Bone-chilling! The thing is subhuman and it has a knife!

Patients and those working in an isolated mental hospitals are murdered, one by one, by a madman lurking in the corridors

---

Main Cast: William Berger, Françoise Prévost, Mary Young, Barbara Wilson, Philippe Hersent, Harriet Medin, Germano Longo, Massimo Righi, Delfi Mauro, Anna Maria Polani

Directors: Elio Scardamaglia, Lionello De Felice

Writers: Luciano Martino, Ernesto Gastaldi

Editor: Alberto Gallitti

Cinematographer: Marcello Masciocchi

---

Popular Double Features