A demented nun sliding through morphine addiction into madness, while 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.
Unfortunately the movie Killer Nun is not yet available on HBO Max.
| Writing | Alberto Tarallo | Screenplay |
| Directing | Giulio Berruti | Director |
| Writing | Giulio Berruti | Screenplay |
| Costume & Make-Up | Maria Rizzo | Hairstylist |
| Costume & Make-Up | Alberto Tarallo | Costume Design |
| Crew | Roberto Edwin Forrest | Sound Recordist |
| Production | Giancarlo Funaro | Unit Manager |
| Production | Enzo Gallo | Producer |
| Editing | Mario Giacco | Editor |
| Writing | Enzo Gallo | Idea |
| Camera | Antonio Maccoppi | Director of Photography |
| Directing | Alberto Vari | Assistant Director |
| Camera | Pippo Carta | Camera Operator |
| Costume & Make-Up | Mauro Gavazzi | Makeup Artist |
| Production | Marcello Papaleo | Production Manager |
| Costume & Make-Up | Stefano Paltrinieri | Set Dressing Artist |
| Sound | Alessandro Alessandroni | Original Music Composer |
| Production | Franco Vanorio | Production Designer |
