Margaret JoBeth Williams (born December 6, 1948) is an American actress. She rose to prominence appearing in such films as Kramer vs. Kramer (1979), Stir Crazy (1980), Poltergeist (1982), The Big Chill (1983), The Day After (1983), Teachers (1984), and Poltergeist II: The Other Side (1986). A three-time Emmy Award nominee, she was nominated for...