Biography:Dorothy Hackett McGuire (June 14, 1916 – September 13, 2001) was an American actress from the 1940s to 1990. Some of her movies include: Gentleman's Agreement (nominated for the Best Actress Academy Award for this film), The Enchanted Cottage, A Tree Grows in Brooklyn, and Old Yeller (as the mother). She passed away in 2001 at the age of 85.