Sigourney Weaver (born 1949) is an American actress. During the 1970s Weaver studied theater at Yale University, where she appeared in original plays by friend and classmate Christopher Durang.
Her part in Ridley Scott's 1979 film Alien as the sole survivor, Lieutenant Ripley, ensured her role in the sequels Aliens, Alien3 and Alien: Resurrection. Many of her roles since have been in knowing reference to the tough character of Ripley.
See also: Doodles Weaver