Charmian Carr (born December 27, 1942) is an American actress and singer. She is best known for her role as Liesl, the eldest Von Trapp daughter in The Sound of Music where she starred with Julie Andrews, Christopher Plummer, Nicholas Hammond, Heather Menzies, Duane Chase, Angela Cartwright, Debbie Turner, and Kym Karath. Carr was born Charmian Farnon in Chicago, Illinois. She is the second child of vaudeville actress Rita Oehman and musician Brian Farnon, who named her Charmian after a character from Shakespeare’s play Antony and Cleopatra. She has two sisters, one older and one younger. Her elder sister is Sharon and her youngest sister is Darleen. While Charmian was attending college part-time and working for a doctor, her mother got her an audition for a role in The Sound of Music.