As the imposing powerhouse Hoss Cartwright, actor Dan Blocker was matched with a 15.3 hand Quarter Horse/Thoroughbred-Cross gelding, named Chub, that weighed a sturdy 1,250 lbs. Rented from the Fat Jones Stable, Hollywood's top supplier of movie horses since the 1920's. Chub's sleek bay coat, brooked blaze, and three white socks were perf...