11. June Lockhart
One actress from the show who is still kicking ass and taking names is June Lockhart. She played Dr. Janet Craig, a maternal replacement after Benaderet passed, in Petticoat Junction. Lockhart made a name in other show like Lassie, Lost in Space, and General Hospital. Born on June 25, 1925, Lockhart is coming up on a century and still acting. In 2016 she was in the movie The Remake.