what movies did Sigourney Weaver star in? Avatar, Alien, Aliens, Ghostbusters, Galaxy Quest, Holes, Red Lights, The Ice Storm, Heartbreakers, Copycat, Dave, Working Girl, You Again, The Cold Light of Day, Gorillas in the Mist, Death and the Maiden, The Year of Living Dangerously, Infamous, Prayers for Bobby, Crazy on the Outside, A Map of the World, The Girl in the Park, Eyewitness, Deal of the Century, Half Moon Street, The Guys