
McDonnell is perhaps best known for films and television series as The Octagon, Spiker, Semi-Tough, Dallas, T. J. Hooker and her role as the new Marilyn Munster in the 1981 television film The Munsters' Revenge.

as Marcia Steinbech

as Marilyn Munster

as Susan Webster

as Amy Lee

as Isobel

as Jan Raines

as Margot Eldridge

as Marianne

as Choir Leader (uncredited)