Marilyn Schreffler oynadığı filmler ve diziler

Heathcliff (The Heathcliff and Dingbat Show) (1980 - 1984)
Scooby-Doo Goes Hollywood (1979)
Captain Caveman and the Teen Angels (1977 - 1980)
Scooby's All Star Laff-A-Lympics (1977 - 1979)