After a drug deal gone wrong, a group of punks flee to a secluded mansion where the house itself begins to terrorize and kill the trespassers.
Unfortunately the movie Cthulhu Mansion is not yet available on HBO Max.
| Directing | Juan Piquer Simón | Director |
| Writing | Juan Piquer Simón | Screenplay |
| Production | Juan Piquer Simón | Producer |
| Production | José Gutiérrez Maesso | Executive Producer |
| Camera | Julio Bragado Darman | Director of Photography |
| Crew | Basilio Cortijo | Special Effects |
| Production | Werner Pochath | Casting |
| Writing | H.P. Lovecraft | Story |
| Sound | Tim Souster | Music |
| Writing | Linda Moore | Writer |
| Writing | David Coleman | Writer |
