Julia Montgomery (born July 2, 1960) is an American film and television actress. She first gained public attention for her role as Samantha Vernon on the soap opera One Life to Live (1977–1980). She subsequently appeared in the slasher film Girls Nite Out (1982), followed by the role of Betty Childs in the comedy film Revenge of the Nerds (1984). Montgomery reprised her role of Betty in the film's second and third sequels (1992–1994).