Susan Alexandra Weaver (born October 8, 1949), known professionally as Sigourney Weaver, is an American actress. Following her film debut as a minor character in Annie Hall (1977), she quickly came to prominence with her first lead role as Ellen Ripley in Alien (1979). She reprised the role in three sequels: Aliens (1986), for which she was nominated for the Academy Award for Best Actress; Alien 3 (1992), and Alien Resurrection (1997). She is also known for her starring roles in the box-office hits Ghostbusters (1984), Ghostbusters II (1989), and Avatar (2009). Weaver's first role is often said to be in Woody Allen's comedy Annie Hall (1977) playing a minor role opposite Allen. Weaver appeared two years later as Warrant Officer/Lieutenant Ellen Ripley in Ridley Scott's blockbuster film Alien (1979), in a role initially designated to co-star Veronica Cartwright, until a late change in casting. Weaver has been married to the stage director Jim Simpson since October 1, 1984. They have one daughter, Charlotte Simpson (born April 13, 1990).

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