Susan Alexandra "Sigourney" Weaver (; born October 8, 1949) is an American actress. Dubbed "the Sci-Fi Queen", Weaver is considered to be a pioneer of action heroines in science fiction films. She is primarily known for her role as Ellen Ripley in the Alien franchise. The role earned her an Academy Award nomination in 1986 and is often considered one of the most significant female protagonists in all of cinema.
Weaver received a Tony Award nomination for the 1984 Broadway play Hurlyburly. A seven-time Golden Globe Award nominee, in 1988 she won both Best Actress in Drama and Best Supporting Actress for her work in the films Gorillas in the Mist and Working Girl, becoming the first person to win two acting Golden Globes in the same year. She also received Academy Award nominations for both films. For her role in the film The Ice Storm (1997), she won the BAFTA Award for Best Actress in a Supporting Role.
Weaver's other popular works include Ghostbusters (1984), Ghostbusters II (1989), Galaxy Quest (1999), Futurama (2002), WALL-E (2008), Avatar (2009), Paul (2011), The Cabin in the Woods (2012), and A Monster Calls (2016).