- HD 1080
- Runtime: 86m.
- Status: Released
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- Languages: it
- Country: Italy, France
- Director: Elio Scardamaglia, Lionello De Felice
- Stars: William Berger, Françoise Prévost, Mary Young, Barbara Wilson, Philippe Hersent
- keywords: madman, mental clinic
- Production_studio: Ci. Ti. Cinematografica, Leone Film, Orphée Productions
- Slogan: Bloodletter! Bone-chilling! The thing is subhuman and it has a knife!
- The The Murder Clinic is featured in the top rankings of 1966
- #22 in Top Crime Movies of 1966
- #13 in Top Horror Movies of 1966
Patients and those working in an isolated mental hospitals are murdered, one by one, by a madman lurking in the corridors
