Susan Alexandra Weaver (1949 – ) known professionally as Sigourney Weaver, is an American actress and film producer. Following her film debut as a minor character in Annie Hall (1977), she quickly came to prominence in 1979 with her first lead role as Ellen Ripley in Alien. She reprised the role in three sequels: Aliens (1986), for which she was nominated for the Academy Award for Best Actress; Alien 3 (1992), and Alien: Resurrection (1997). She is also known for her starring roles in the box-office hits Ghostbusters (1984), Ghostbusters II (1989), and Avatar (2009). 10×8“ Colour photograph, signed boldly.