 From 1965 to 1967, she appeared as neighbor Marge Thornton on "Please Don't Eat the Daisies".She appeared in several TV shows of the 1960s (like "Petticoat Junction" as Cousin Mae in 1968) and did voice-over work in subsequent decades.Mitchell voiced Laurie Holliday on Hanna-Barbera's short-lived series "The Roman Holidays" in 1972.