Monster Mash! concludes at Trailers from Hell, with filmmaker Darren Bousman introducing "The Dunwich Horror," directed in 1970 by Roger Corman's wizardly production designer, Daniel Heller.
Scored by Les Baxter and produced by Corman, Sam Arkoff and James Nicholson, The Dunwich Horror is an A.I.P. film through and through. Based on H.P. Lovecraft’s 1928 story and cowritten by Curtis Hanson, the film was to have starred Boris Karloff (featured in Haller’s previous Lovecraft adaptation, Die, Monster, Die) but Karloff passed away before the production’s start. Peter Fonda and Diane Varsi, originally cast as the conjurer Wilbur Whateley and his victim, each bowed out to be replaced by Dean Stockwell and Sandra Dee. The final film role of Ed Begley.