Filmed in 1974 but the movie was not released until 1976.
The movie was filmed entirely in the American state of Michigan in the U.S.A.
Movie star Nick Nolte did an uncredited voice over for the picture's lead actor David Hyry who played the character of Chris.
Director William Dear asked Michael Nesmith of 'The Monkees' fame to compose the movie's music score and Nesmith said yes.
The movie is mostly known as 'Northville Cemetery Massacre' but is also known as well in English language speaking territories as 'Harley's Angels', 'Freedom R.I.P.' and 'The Northville Cemetery Massacre'.