Sigourney Weaver. Actress: Alien: Resurrection. Sigourney Weaver has created a host of memorable characters, both dramatic and comic, ranging from Ripley in Alien to Dian Fossey in Gorillas in the Mist to Gwen/Tawny in Galaxy Quest and most recently, 14-year-old Kiri in Avatar: The Way of Water. Sigourney Weaver Biography Sigourney Weaver is an American actress known as a figure in science fiction and popular culture who has received various accolades, including a British Academy Film Award, two Golden Globe Awards, and a Grammy Award. She rose to prominence when she was cast as Ellen Ripley in the Ridley Scott-directed sci-fi film Alien (1979) which earned her a nomination for the BAFTA Award for Most Promising Newcomer. Furthermore, Weaver appeared in James Cameron’s Aliens ... Susan Alexandra " Sigourney " Weaver (/ sɪˈɡɔːrni / 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. [3][4][5] 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 ... Sigourney Weaver confirms her role in the upcoming Mandalorian movie: 'I got to meet Grogu for the first time' The Oscar-nominee also said she plans to return for James Cameron's "Avatar 4" and ...