Richards and her sister Kyle played sisters in the thriller film "The Car" (1977). She teamed up once again with "Witch Mountain" co-star Ike Eisenmann in the made-for-television movie "" (1978). In the 1976 film "Assault on Precinct 13", she played a young girl who was brutally murdered when a gang member fired a round into her chest. She later starred in the short-lived television series "Hello, Larry" and appeared as a guest on numerous episodes of American television shows, including "Emergency!", "Diff'rent Strokes", "Alice", "Fantasy Island", "The Love Boat", "CHiPs", "Magnum, P.I.", "James at 16", "The Dukes of Hazzard", "The Rockford Files", and "Little House on the Prairie" as Olga Nordstrom.