Deadly Strangers (1974) Haley Mills plays an escaped loony who seduces men and kills random people for no reason at all.
Strong Kids, Safe Kids (1984) Henry Winkler, John Ritter and a dozen other random people convince kids "they're never to blame, even if it felt good."
Stand Alone (1985) Charles Durning stars as a well liked old man who decides to take on drug dealers in his neighborhood.
Eye of The Tiger (1986) Falls victim to many 80s revenge flick clichés, but still manages to be a bit enjoyable.
Humongous (1982) A bunch of teens wind up marooned on an island because one of them is a giant asshole.