15. Frank Cady
In the fictional town of Petticoat Junction, Mr. Drucker ran the general store. Frank Cady, a native of California, played Drucker who had a part in 168 episodes. That put him the top four for most episode appearances. Cady may have started life in California, but he ended it in Oregon after 96 years. He stayed busy until 1990 when he acted in the TV movie Return to Green Acres.