The House in Nightmare Park (1973)
The House in Nightmare Park (known as "Crazy House" in the U.S.) is a 1973 British comedy horror film directed by Peter Sykes and starring Frankie Howerd, Ray Milland and Hugh Burden. It was one of a number of British comedy films which parodied the successful British horror genre, closely associated with the Hammer Horror films. Its plot follows that of a traditional "Old Dark House" story.
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