The Killer Nun (1979)
- Duration: 01:28:00
- Year: 1979
- Rating: NR
- Cast: Anita Ekberg, Alida Valli, Massimo Serato, Daniele Dublino, Laura Nucci, Alice Gherardi, Ileana Fraia, Lee De Barriault, Antonietta Patriarca, Sofia Lusy, Nerina Montagnani, Franco Caracciolo, Maria Sofia Amendolea, Chicca Thomas, Manlio Pierotti, Brunello Chiodetti, Enzo Spitaleri, Lesly Thomas, Aldo De Franchi, Paola Morra, Lou Castel, Joe Dallesandro, Giulio Berruti, Stefania Possamai
- Directors: Giulio Berruti
- Writers: Giulio Berruti, Enzo Gallo, Alberto Tarallo
- Genre: Horror|Giallo, Horror|Slasher, Horror, Grindhouse, Grindhouse|Action, Grindhouse|Horror, Grindhouse|Thriller, Grindhouse|Nunsploitation, Grindhouse|Slasher Films, Grindhouse|Giallo, Thriller, Mystery, Mystery|Detective
Sister Gertrude, the head nurse at a general hospital, succumbs to morphine addiction and psychotic madness while presiding over a chaotic regime of horrific cruelty, death, and depravity.