Cliff De Young is Michael, the heir to a cursed castle, who marries pretty Susan (Maryam d'Abo) and moves her in. Unfortunately for the newlyweds, an oversexed succubus named Diana (Shari Shattuck) is out to break up the couple.
| Directing | Hervé Hachuel | Director |
| Writing | Thomas McKelvey Cleaver | Writer |
| Writing | Beverly Gray | Writer |
| Editing | José María Biurrún | Editor |
| Camera | Alfredo Mayo | Director of Photography |
| Art | Rafael Palmero | Production Design |
| Production | Roger Corman | Producer |