Sigourney Weaver (born Susan Alexandra Weaver; October 8, 1949) is an American actress. She is known for her role of Ellen Ripley in the four Alien films: Alien, Aliens, Alien 3, and Alien Resurrection, for which she has received worldwide recognition. Other notable roles include Dana Barrett in Ghostbusters and its sequel Ghostbusters II, Gorillas in the Mist: The Story of Dian Fossey, Working Girl, The Ice Storm, Galaxy Quest, Prayers for Bobby and Grace Augustine in Avatar. Weaver has been nominated for three Academy Awards, three BAFTA Awards (one win), two Emmy Awards, six Saturn Awards (two wins) and six Golden Globe Awards, winning two in 1988 for Gorillas in the Mist and Working Girl, becoming the first person ever to have won two acting Golden Globe Awards in the same year. She was also nominated for a Drama Desk Award and a Tony Award.
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