In the 1966-1967 season, Anderson co-starred with Barbara Hershey, who portrayed his sister, in an ABC family western series, The Monroes.
Middleton was cast in ten episodes of the ABC family western drama, The Monroes, with costars Michael Anderson, Jr., and Barbara Hershey.
While in France, the Monroes' daughter Eliza became a friend of Hortense de Beauharnais, step-daughter of Napoleon, and both girls received their education in the school of Madame Jeanne Campan, who had been an advisor on court etiquette to Marie Antoinette.