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Killer Nun (1979)

Suor Omicidi (original title)
Not Rated | | Horror, Mystery, Thriller | 10 May 1979 (Italy)
A demented nun sliding through morphine addiction into madness, whilst presiding over a regime of lesbianism, torture and death. Sister Gertrude is the head nurse/nun in a general hospital,... See full summary »


Giulio Berruti


Giulio Berruti, Enzo Gallo (idea) | 1 more credit »

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Cast overview, first billed only:
Anita Ekberg ... Sister Gertrude
Paola Morra ... Sister Mathieu
Alida Valli ... Mother Superior
Massimo Serato ... Dr. Poirret
Daniele Dublino ... Hospital Director
Lou Castel ... Peter
Joe Dallesandro ... Dr. Patrick Roland
Laura Nucci ... The Baroness
Alice Gherardi Alice Gherardi ... Nurse
Lee De Barriault Lee De Barriault
Ileana Fraia Ileana Fraia ... Florence (as Ileana Fraja)
Antonietta Patriarca Antonietta Patriarca
Sofia Lusy ... Janet
Nerina Montagnani Nerina Montagnani ... Josephine
Franco Caracciolo ... Priest in Confessional


A demented nun sliding through morphine addiction into madness, whilst presiding over a regime of lesbianism, torture and death. Sister Gertrude is the head nurse/nun in a general hospital, whose increasingly psychotic behavior endangers the staff and patients around her. Written by Arthur Workman <arthur49@user1.channel1.com>

Plot Summary | Add Synopsis


From the Secret Files of the Vatican!


Not Rated | See all certifications »

Parents Guide:

View content advisory »






Release Date:

10 May 1979 (Italy) See more »

Also Known As:

Killer Nun See more »

Company Credits

Production Co:

Cinesud See more »
Show more on IMDbPro »

Technical Specs


Sound Mix:




Aspect Ratio:

1.85 : 1
See full technical specs »

Did You Know?


Italian censorship visa # 73203 delivered on 13-3-1979. See more »

Alternate Versions

The first german video release with the title "Geständnis einer Nonne" (Bavaria Video/IMV Video) was cut by about two minutes to remove gory sequences. The later german Video release, entitled "Die Nonne" (I.F.R. Video) presents the uncut version. See more »


Referenced in Fear, Panic & Censorship (2000) See more »


Suor Omicidi - Seq. 8
Performed by Alessandro Alessandroni
See more »

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User Reviews

Go twisted sister, GO!
11 January 2006 | by CoventrySee all my reviews

Why on earth are most comments on this "Killer Nun" so exaggeratedly harsh? It's certainly true that this film differs immensely from all the other Nunsploitation-movies made previously, with a story that doesn't involve Satan-worshiping nuns for once and a remarkably lesser amount of graphic sex, but that doesn't mean it's inferior exploitation! On the contrary, I strongly believe the story of "Killer Nun" actually works for a change, since it's loosely based on a factual Belgian serial-killer case about a mentally unstable hospital-convent nurse who turns to murder after imagining an incurable disease. Actress Anita Ekberg, who I think she resembles Kathleen Turner, plays the respected sister Gertrude but she's no longer the devoted nurse/nun she used to be. She's convinced she has cancer, gets addicted to morphine and starts to do ungodly things, like mistreating her patients and even sexually provoking men as well as her young roommate. When some patients are found dead, even Mother Superior begins to doubt sister Gertrude. "Killer Nun" is atmospheric, but often very slow and admittedly the substance might be too scant to fill a whole horror movie with. Peculiar as well is that director Giulio Berruti hints at several controversial topics (lesbianism, masochism...) but eventually evades to show anything, and this is probably the reason why so many horror fans claim "Killer Nun" is a boring and eventless film. Nevertheless, this rare Italian exploitation gem features a terrific musical score as well as a handful of gory sequences (that were largely cut in post "video-nasties" versions). The acting is far above normal 70's euro-horror standards, with Ekberg, Joe Dallesandro and beauty Paola Morra all in great roles. As far as I'm concerned, this is a good and underrated film!

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