Mary Virginia Martin (December 1, 1913 – November 3, 1990) was an American actress and singer. A muse of Rodgers and Hammerstein, she originated many leading roles over her career including Nellie Forbush in South Pacific (1949), Peter Pan in Peter Pan and Maria von Trapp in The Sound of Music (1959). She was named a Kennedy Center Honoree in 1989. She was the mother of actor Larry Hagman.