Justin Morgan Had a Horse (television) Two-part television show; aired on February 6 and 13, 1972. Directed by Hollingsworth Morse. Justin Morgan develops a new, versatile breed of horse, eventually known as the Morgan Horse, in the years shortly after the Revolutionary War. The horse’s value is proven in a thrilling race finale. Stars Don Murray, Lana Wood, Gary Crosby, R. G. Armstrong, Whit Bissell.