A razor-wielding serial killer is on the loose, murdering those around Peter Neal, an American mystery author in Italy to promote his newest novel.

Directed by: Dario Argento
Written by: Dario Argento
Release date: 1982-10-28
Runtime: 101 minutes
Critics score:
Tagline: Terror Beyond Belief!
Cast:
Anthony Franciosa Anthony Franciosa
Peter Neal 
John Saxon John Saxon
Bullmer 
Giuliano Gemma Giuliano Gemma
Detective Germani 
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Also known as:
  • Unsane
  • Dario Argento's Tenebrae
  • Tinieblas
  • Tenebre - Der kalte Hauch des Todes
  • 쉐도우
  • Τένεμπρε, ο Παρανοϊκός Δολοφόνος
  • Shadows
  • Tenebrae: Zone des Schreckens
  • Pelkoa ei voi Paeta
  • Ténèbres
  • シャドウ