Sigourney Weaver is known for her roles as Ellen Ripley in the movies "Alien (1979)", "Aliens (1986)", "Alien 3 (1992)" and "Alien Resurrection (1997)", as Dana Barrett in "Ghostbusters (1984)" and "Ghostbusters II (1989)", and as Dr. Grace Augustine in "Avatar (2009)".

She played Jilly Bryant in the movie "The Year of Living Dangerously (1982)", Dian Fossey in "Gorillas in the Mist: The Story of Dian Fossey (1988)", Katharine Parker in "Working Girl (1988)", Queen Isabella in "1492: Conquest of Paradise (1992)", Ellen Mitchell in "Dave (1993)", Helen Hudson in "Copycat (1995)", Gwen DeMarco (a.k.a. Lieutenant Tawny Madison) in "Galaxy Quest (1999)", The Big Guy in "Paul (2011)", Cisserus in "Vamps (2012)" and Margaret Matheson in "Red Lights (2012)".

Some other movies she appeared in are "Annie Hall (1977)", "Eyewitness (1981)", "Deal of the Century (1983)", "One Woman or Two (1985)", "Half Moon Street (1986)", "Death and the Maiden (1994)", "Jeffrey (1995)", "Snow White: A Tale of Terror (1997)", "The Ice Storm (1997)", "A Map of the world (1999)", "Company Man (2000)", "Tadpole (2000)", "Heartbreakers (2001)", "The Guys (2002)", "Holes (2003)", "The Village (2004)", "Imaginary Heroes (2004)", "Snow Cake (2006)", "The TV Set (2006)", "Infamous (2006)", "The Girl in the Park (2007)", "Be Kind Rewind (2008)", "Vantage Point (2008)", "Baby Mama (2008)", "Prayers of Bobby (2009)", "Crazy on the Outside (2010)", "You again (2010)", "Cedar Rapids (2011)", "Rampart (2011)", "The Cabin in the Woods (2012)", "The Cold Light of Day (2012)", "Exodus: Gods and Kings (2014)", "chappie (2015)", "A Monster Calls (2016)" and "The Assignment (2016)".

She played Elaine Barrish in the USA Network TV miniseries "Political Animals (2012)" and Alexandra Reid on the Netflix web TV show "The Defenders (2017)".

Some other TV shows she appeared on are "3 by Cheever", "Saturday Night Live", "Eli Stone" and "Doc Martin".

Happy Birthday!