Mead Howard "Robert" Horton Jr. was an American actor and singer. He is known for playing Flint McCullough in Wagon Train (1957–1962).

Wagon Train is an American Western television series that aired for eight seasons, first on the NBC television network (1957–1962) and then on ABC (1962–1965). Wagon Train debuted on September 18, 1957 and reached the top of the Nielsen ratings. It is the fictional adventure story of a large westbound wagon train through the American frontier from Missouri to California. Its format attracted famous guest stars for each episode appearing as travelers or residents of the settlements that the regular cast encountered. The show initially starred supporting film actor Ward Bond as the wagon master and Robert Horton as the scout.