Peacemaker

Running 1h 40m and made in the United States, Peacemaker (1990) is a Science Fiction and Action film in the 123movies catalog. The cast includes Lance Edwards and Hilary Shepard; Kevin Tenney directs. 17 votes put it at 5.2/10. Two aliens arrive on Earth trying to kill each other. This is not easy, since they seem to be able to regenerate lost body parts and survive bullet wounds. Both of them happen to meet a young pathologist Dori Caisson, and each alien tells her that he is a peacemaker (an intergalactic cop) and that the other one is a bad guy. Whom can she trust?