Bernard Fox, who portrayed Mr. Rightmire, later appeared in a regular role as the eccentric witch doctor, Dr. Bombay.
Both Nina Wayne (Beverly Wilson) and her older sister Carol Wayne appeared in dim-witted roles in different episodes; Carol was a Bunny on A Bunny for Tabitha (1969). Carol also appeared as the 'Tea Time Matinee Lady' on The Tonight Show Starring Johnny Carson (1962).
Larry drives a Caprice Estate, a new top-line 4-door station wagon model, with simulated woodgrain exterior trim, introduced by Chevrolet in 1966. Chevrolet was one of the show's two sponsors for the first four seasons.