An American actress inherits a castle in Transylvania. What she doesn't know is that her ancestor, the Baroness Catali, was in actuality a vampire countess, and emerges from her tomb to ravage the nearby village and Catholic seminary.
You can now watch The Vampire Happening online on the following streaming providers in the United States.
| Directing | Freddie Francis | Director |
| Production | Pier A. Caminnecci | Producer |
| Art | Hans Zehetner | Art Direction |
| Writing | August Rieger | Writer |
| Editing | Alfred Srp | Editor |
| Sound | Jerry van Rooyen | Original Music Composer |
| Camera | Gérard Vandenberg | Director of Photography |
