Robert P. "Bob" Orrison (July 28, 1928 – October 11, 2014) was an American film and television stunt performer.He was the stunt double for actor Audie Murphy for many films and did stunt work in John Wayne movies such as The Undefeated and Chisum. He also performed stunts in such films as The Wild Bunch, Smokey and the Bandit, Rambo III, Days of Thunder, Die Hard 2, and Speed.