Susan Alexandra "Sigourney" Weaver (born October 8, 1949) is an American actress. Weaver is considered to be a pioneer of action heroines in science fiction films. She is known for her role as Ellen Ripley in the Alien franchise, which earned her an Academy Award nomination in 1986 and is often regarded as one of the most significant female protagonists in cinema history. A seven-time Golden Globe Award nominee, Weaver won both Best Actress in Drama and Best Supporting Actress in 1988 for her w...