Dementia 13/Fun Facts
From The Grindhouse Cinema Database
- Francis Ford Coppola was assisting Roger Corman on the set of The Young Racers (1963) in Ireland. Corman allowed Coppola to use the same set, crew and actors Luana Anders, William Campbell and Patrick Magee for this film if he could shoot around the shooting schedule of Corman's film.
- Director Jack Hill worked on fixing up the film after Coppola left the production.
- This film was originally going to be titled simply "Dementia." The "13" was added because it was discovered that the title "Dementia" had already been used for a 1955 film.
- Many of the actors paid their own way to Ireland to act in the movie