A sadistic count tortures and murders his unfaithful wife and her lover, then removes their hearts from their bodies. Years later, the count remarries and the new wife experiences nightmares and hauntings.
Unfortunately the movie Nightmare Castle is not yet available on Disney Plus.
| Directing | Mario Caiano | Director |
| Camera | Enzo Barboni | Director of Photography |
| Production | Carlo Caiano | Producer |
| Editing | Renato Cinquini | Editor |
| Sound | Ennio Morricone | Original Music Composer |
| Directing | Priscilla Contardi | Continuity |
| Camera | Ermanno Serto | Still Photographer |
| Camera | Mario Mancini | Camera Operator |
| Production | Massimo Tavazzi | Production Designer |
| Writing | Mario Caiano | Story |
| Costume & Make-Up | Mario Giorsi | Costume Designer |
| Production | Pietro Nofri | Production Assistant |
| Writing | Mario Caiano | Dialogue |
| Writing | Fabio De Agostini | Dialogue |
| Art | Massimo Tavazzi | Set Decoration |
| Writing | Fabio De Agostini | Screenplay |
| Writing | Mario Caiano | Screenplay |
| Production | Pietro Nofri | Supervising Producer |
| Sound | Bernardino Fronzetti | Sound Engineer |
| Directing | Angelo Sangermano | Assistant Director |
| Costume & Make-Up | Duilio Giustini | Makeup Artist |
| Production | Carlo Caiano | Production Manager |
| Writing | Fabio De Agostini | Story |
| Sound | Ennio Morricone | Conductor |
