Count Karnstein sends for a doctor to help his sick daughter Laura. Her nurse believes she is possessed by the spirit of a dead ancestor, Carmilla. A young woman becomes intrigued by the mysterious deaths surrounding Laura after a carriage accident outside the castle forces her to stay. They become close friends until Laura becomes convinced the spirit of Carmilla is forcing her to kill.
Unfortunately the movie Crypt of the Vampire is not yet available on HBO Max.
| Directing | Camillo Mastrocinque | Director |
| Writing | Ernesto Gastaldi | Screenplay |
| Writing | Tonino Valerii | Screenplay |
| Sound | Carlo Savina | Music |
| Production | Mario Mariani | Producer |
| Art | Demofilo Fidani | Production Design |
| Directing | Tonino Valerii | Assistant Director |
| Art | Demofilo Fidani | Set Decoration |
| Costume & Make-Up | Mila Vitelli Valenza | Costume Design |
| Camera | Julio Ortas | Director of Photography |
| Editing | Roberto Cinquini | Editor |
