After apprenticing at the Wharf Theater in Provincetown, MA, she debuted on Broadway in 1938 as the lead's understudy in Our Town; the following year her performance in the ingénue part in Life With Father caught film mogul Samuel Goldwyn's attention, and he signed her to a screen contract. Wright debuted onscreen in The Little Foxes (1941), for which she received a Best Supporting Actress Oscar nomination. The following year she was nominated in both the Best Actress and Best Supporting Actress categories for her third and fourth films, The Pride of the Yankees and Mrs. Miniver, respectively; she won the Best Supporting Actress Oscar. She remained busy onscreen through 1959, after which she appeared in only a handful of films during the next three decades. From 1942 to 1952, she was married to novelist and screenwriter Niven Busch; later she married, divorced, and remarried playwright Robert Anderson. In the '70s, she appeared in TV dramas. Her later stage work included Mary, Mary (1962) and the Broadway revival of Death of a Salesman (1975).