The film features 4 members of the Stiller Family: Jerry Stiller, his wife Anne Meara, Ben Stiller, and Ben's sister, Amy Stiller, who does bit parts in most of Ben's films.
Shot from 25 October 1989 - 20 December 1989, but not released until 1991, and unreleased in the United States until 13 March 1992.
On Hellcop's chin are the letters "S.J. + L.Q.", which stand for Steve Johnson (makeup artist), and Linnea Quigley (his wife).
Make-up artist Steve Johnson got the idea for the writing on Hellcop's face from Clive Barker's "Books of Blood."