Based on the original script for Lucio Fulci's House By The Cemetery (1981), written by Dardano Sacchetti.
Shot at the same castello location as Antonio Margheriti's Long Hair of Death (1964) and Seven Death's In The Cat's Eye (1973).
Alex Serra (Dario the artist) is the only returning actor from Demons (1985).
Virginia Bryant (Cheryl) is the only returning actor from Demons 2 (1986).
Roberto Dell'Acqua, stuntman & actor famous for playing zombies in Lucio Fulci's Zombi 2 (1979), The Beyond (1981) & Zombi 3 (1988) can be seen drinking in the taverna.