Mary Beth McDonough

Mary Beth McDonough, an American actress and writer, began working as a child and became known for her role as Erin Walton in the series The Waltons, which she played from 1972 to 1981. Born in the Van Nuys area of Los Angeles, she returned to that role in several television reunion films, among them three in 1982 and later ones in 1993, 1995, and 1997. Her early screen work included a small part in Lovely But Deadly (1981), the TV horror film Midnight Offerings (1981), and a lead in the slasher movie Mortuary (1982). In 1987 she took a lead in the dark comedy Funland, and in the 2000s she made guest spots on The New Adventures of Old Christine and Boston Legal. She also wrote Christmas on Honeysuckle Lane, which became a 2018 Hallmark film where she had a minor supporting part.