She reprised the role with a critically-acclaimed performance in Aliens (1986), directed by James Cameron, for which she received nominations for the Academy Award and Golden Globe Award for Best Actress. Weaver rose to fame for playing Ellen Ripley in Ridley Scott's science fiction film Alien (1979), which earned her a nomination for the British Academy Film Award for Most Promising Newcomer.
She was voted Number 20 in Channel 4's countdown of the 100 Greatest Movie Stars of All Time, being one of only two women in the Top 20.
An influential figure in science fiction and popular culture, Weaver has received several accolades, including a British Academy Film Award, two Golden Globe Awards and nominations for three Academy Awards, three Primetime Emmy Awards, and three Tony Awards. Susan Alexandra ' Sigourney' Weaver ( / s ɪ ˈ ɡ ɔːr n i/ born October 8, 1949) is an American actress.