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.
Dallas
Series • 1978
T. J. Hooker
Series • 1982
Hart to Hart
Series • 1979
Mrs. Columbo
Semi-Tough
Movie • 1977
Once Upon a Spy
Movie • 1980
The Octagon
The Scarlett O'Hara War
The Munsters' Revenge
Movie • 1981
The Seniors
Movie • 1978
Island Claws
Spiker
Movie • 1985
7 Kills, 3 Songs & a Banana
Movie • 2024