Sigourney Weaver: Age, Family, Net Worth and Career Highlights

Sigourney Weaver is an American actress known for playing Ellen Ripley in the Alien films, Dana Barrett in Ghostbusters and Dr. Grace Augustine and Kiri in the Avatar series. Born in New York City on October 8, 1949, she is 76 years old as of January 2026. She studied English at Stanford University and became involved in theatre before beginning her film career with a small role in Annie Hall in 1977. Her performance in Aliens earned her an Academy Award nomination. Other notable films include Gorillas in the Mist, Working Girl, Galaxy Quest and Avatar: The Way of Water. Weaver has also supported wildlife conservation, including the Dian Fossey Gorilla Fund. She has been married to stage director Jim Simpson since 1984. Online estimates put her net worth at around $60 million, though such figures are not verified.

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