Frank Cady, who plays Luke (another drunk in the Mt. Pilot jail) was better known for playing Sam Drucker in another pair of shows. He also played the town drunk in the unofficial pilot for this series, which played on Danny Thomas' "Make Room for Daddy."
The Mount Pilot jail set is also used in the Dick Van Dyke Show season 3 Episode 29 (originally aired April 15, 1964) when Robert Petrie is arrested.