玛丽·贝丝·麦克唐纳 Mary Beth McDonough (1961年5月4日)

Mary Elizabeth McDonough (born May 4, 1961), sometimes credited as Mary Beth McDonough, is an American actress and writer, best known for her role as Erin Walton on The Waltons from 1972 to 1981, and several subsequent made-for-television reunion films in later decades.