Sigourney Weaver

Actor and producer

Explore Sigourney Weaver's biography, career highlights, notable work and connected film and television credits.

Career overview

About Sigourney Weaver

Sigourney Weaver is an American actor whose career helped change expectations for women in science-fiction and action films. Ellen Ripley in the Alien series remains her defining role, but her work also includes comedy, biography, drama and large performance-capture productions. Weaver combines physical authority with a thoughtful, often dry delivery. She can lead a dangerous mission, play a corporate executive or make fun of her own screen image without treating any of those modes as less serious acting.

Known for: Alien, Aliens, Gorillas in the Mist, Working Girl and Avatar

Biography

Susan Alexandra "Sigourney" Weaver ( sig-OR-nee; born October 8, 1949) is an American actress. Prolific in film since the late 1970s, she is known for her pioneering portrayals of action heroines in blockbusters and for her various roles in independent films. She is the recipient of numerous accolades, including a British Academy Film Award, two Golden Globe Awards, and a Grammy Award, in addition to nominations for three Academy Awards, four Primetime Emmy Awards, and a Tony Award.

Born in New York City, Weaver is the daughter of American television executive Pat Weaver and English actress Elizabeth Inglis. She made her screen debut with a minor role in the romantic comedy film Annie Hall (1977), before landing her breakthrough role as Ellen Ripley in the science fiction horror film Alien (1979). She reprised the role in the sequel Aliens (1986), earning a nomination for the Academy Award for Best Actress, and in two more films for the franchise. Ripley is regarded as a significant female protagonist in cinema history. Weaver's other franchise roles include Dana Barrett in the Ghostbusters films (1984–2021) and Dr. Grace Augustine and Kiri in the Avatar film series (2009–present), which rank among the highest-grossing films of all time.

In 1989, Weaver won two Golden Globes and two simultaneous Oscar nominations for her roles as Dian Fossey in Gorillas in the Mist and as an executive in Working Girl (both 1988); she also became the first actor to win two Golden Globes for acting in the same year.

🎬 Filmography

Avatar

2009

Avatar: The Way of Water

In-depth guide

Ellen Ripley and a new kind of science-fiction lead

Alien introduces Ripley as part of a working crew rather than announcing her as a traditional hero. Weaver's performance grows as the situation becomes more dangerous. She follows procedure, asks practical questions and survives because she takes the threat seriously. Aliens changes the scale from horror to military action but gives Ripley a clear emotional reason to return. Her protective relationship with Newt and her anger at institutional carelessness make the action personal. Weaver earned an Academy Award nomination for Aliens, an unusual level of awards recognition for a science-fiction action performance at the time. Later entries place Ripley in darker moral and biological situations, but the character remains defined by resistance to systems that treat life as expendable. Weaver's height, direct gaze and controlled voice give Ripley authority without requiring the character to imitate a male action stereotype.

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Drama, comedy and two very different 1988 roles

Weaver's range became especially visible in 1988 with Gorillas in the Mist and Working Girl. In Gorillas in the Mist, she played researcher Dian Fossey with physical commitment and an increasingly difficult intensity. Working Girl used her polished confidence for comedy and conflict as a senior executive whose support has limits. The performances earned major awards attention in separate acting categories and showed how quickly Weaver could change audience expectations. Her comedy work also includes Ghostbusters, where Dana Barrett provides a grounded response to an absurd supernatural world, and Galaxy Quest, which affectionately mocks the limits placed on a television science-fiction performer. Weaver understands that parody works better when the actor respects the genre. She can acknowledge the audience's memory of Ripley without turning every later science-fiction appearance into a simple reference.

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Avatar and performance inside a digital world

Weaver reunited with James Cameron for Avatar, playing scientist Grace Augustine. The role connects her established screen authority with Cameron's environmental themes and new performance-capture methods. In later Avatar stories, she took on a different character, requiring movement and vocal choices that could support a younger identity inside a digitally created body. Performance capture is still acting: the performer develops timing, relationships and physical intention before the final image is constructed. Weaver's theatre training and experience with effects-heavy sets make her especially suited to this process. Across the wider career, she has continued moving between independent films, television, stage work and major franchises. That movement prevents any single genre from fully defining her, even though Alien remains central to film history.

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A balanced Sigourney Weaver viewing path

Begin with Alien and Aliens to see how Ripley changes between horror and action. Add Working Girl for comedy, Gorillas in the Mist for biography and Galaxy Quest for genre satire. Avatar shows her later work in performance capture and another collaboration with Cameron. CineVault links Weaver to films and series already present in the database; the connected list is a growing guide rather than a complete record of stage and screen work.

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Frequently asked questions

Who does Sigourney Weaver play in Alien?

She plays Ellen Ripley, a crew officer who becomes the central survivor and hero of the series.

Was Sigourney Weaver nominated for an Oscar for Aliens?

Yes. She received an Academy Award nomination for Best Actress for Aliens.

Does Sigourney Weaver appear in the Avatar films?

Yes. She played Dr. Grace Augustine in Avatar and later performed a different character in the continuing series.

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