The House in Nightmare Park (1973)

Plot

Comedy icon Frankie Howerd leads a cast featuring Hugh Burden and Oscar winner Ray Milland in this witty parody of early '70s British horror. Foster Twelvetrees, an aspiring actor known for his over-the-top performances, is thrilled to be invited for a reading at a wealthy family's estate. However, his excitement quickly turns to dread as he stumbles upon corpses, sinister plots, snakes, and a deranged woman locked away in the attic. With danger lurking, Foster must unravel the family's dark secrets before he meets a grim fate.