Aliens is an American science fiction-action horror movie released in 1986. It is a science fiction movie because it takes place in outer space and there are alien creatures. It was directed by James Cameron and stars Sigourney Weaver, Michael Biehn and Lance Henriksen. "Aliens" is a sequel to "Alien" (1979) and was followed by two more sequels; "Alien³" (1992) and "" (1997).