Mary Elizabeth Hartman (December 23, 1943 – June 10, 1987) was an American actress of the stage and screen. She is best known for her debut performance in the 1965 film A Patch of Blue, playing a blind girl named Selina D'Arcy, opposite Sidney Poitier, a role for which she was nominated for an Academy Award for Best Actress and a Golden Globe Award for Best Actress in a Motion Picture – Drama. The next year, she appeared in Francis Ford Coppola's You're a Big Boy Now as Barbara Darling, for which she was nominated for a second Golden Globe Award. Hartman also starred opposite Clint Eastwood and Geraldine Page in Don Siegel's The Beguiled, and the 1973 film Walking Tall. On stage, Hartman was best known for her interpretations of Laura Wingfield in The Glass Menagerie, for which she won Ohio's "Actress of the Year" award, and Emily Webb in the 1969 Broadway production of Our Town. Hartman retired from acting in 1982 after voicing the character of Mrs. Brisby in Don Bluth's first animated feature, The Secret of NIMH (1982).