Effects

While a small film crew are shooting a low budget horror movie in a house in the woods, the lines between reality and fiction start to blur, and the movie slowly starts to turn into a "snuff" film.

Effects is a 1980 horror thriller movie directed by Dusty Nelson, starring John Harrison, Bernard McKenna, Susan Chapek. It holds an IMDb rating of 5.3/10 from 1,149 votes and runs 1h 24m.