Aliens is a 1986 American science fiction action horror film written and directed by James Cameron, produced by Gale Anne Hurd and starring Sigourney Weaver. It is the sequel to the 1979 film Alien and the second installment in the Alien franchise. The film follows Weaver’s character Ellen Ripley as she returns to the moon where her crew encountered the hostile Alien creature, this time accompanied by a unit of space marines.