R.G. Springsteen directed and Ford Beebe wrote King of the Wild Stallions, which features George Montgomery, Diane Brewster, Edgar Buchanan, Emile Meyer, and Jerry Hartleben. This CinemaScope/DeLuxe Color film has a score by Marlin Skiles and cinematography by Carl Guthrie. A woman and her son living on a ranch in a secluded area encounter difficulties as powerful landowners threaten them. Their salvation might ar…