Cast & crew
Slaughter Hotel (1971)
Directed by Fernando Di Leo Written by Fernando Di Leo, Nino Latino
Cast
| Klaus Kinski | Dr. Francis Clay |
| John Karlsen | Professor Osterman |
| Gioia Desideri | Ruth |
| Giangiacomo Elia | The Gardener (as John Ely) |
| Monica Strebel | Nurse Helen |
| Fernando Cerulli | Chaffeur |
| Sandro Rossi | Policeman |
| Margaret Lee | Cheryl Hume |
| Rosalba Neri | Anne Palmieri |
| Jane Garret | Mara |
| Daniela Di Bitonto | patient |
| Giulio Baraghini | Policeman |
| Ettore Geri | Inspector |
| Antonio Radaelli | Policeman |
| Franco Marletta | Male Nurse |
| Piero Nistri | Cheryl's Husband |
| Enzo Spitaleri | Ruth's Husband |
| Carla Mancini | Nurse |
| Rosanna Braida | patient |
| Lina Franchi | Nurse Killed with Scythe (uncredited) |
| Gilberto Galimberti | Policeman |
| Marco Mariani | Male Nurse |
Crew
| Fernando Di Leo | Director |
| Fernando Di Leo | Screenplay |
| Nino Latino | Screenplay |
| Fernando Di Leo | Story |
| Nino Latino | Story |
| Amedeo Giomini | Editor |
| Silvano Spadaccino | Original Music Composer |
| Franco Villa | Director of Photography |
| Tiziano Longo | Producer |
| Armando Novelli | Producer |
| Teresa Ferrone | Set Decoration |
| Antonio Mura | Makeup Artist |
| Nicola Tamburo | Set Decoration |
| Alberto Longo | Production Supervisor |
| Armando Novelli | Production Manager |
| Francesco Vitulano | Unit Manager |
| Franco Lo Cascio | Assistant Director |
| Antonio de Castel Largo | Assistant Camera |
| Raffaele Benedetti | Sound Recordist |
| Romano Pampaloni | Sound Recordist |
| Claudio Morabito | Camera Operator |
| Antonio Minutolo | Assistant Camera |
| Marcella Moretti | Wardrobe Designer |
| Giacomo Simonelli | Conductor |