He often did his own stunts in action sequences but made sure the stunt men who were hired for it were paid, so as not to put anyone out of work.
During his senior year at Van Nuys High School, he met 15-year old sophomore Natalie Wood, who was already a star. They later became good friends and starred together in two movies.
He dislikes watching his own films. [Extra bonus points if you can name the only film in which he was completely satisfied with his own performance.]
Has said "As a director, I wouldn't like me as an actor. As an actor, I wouldn't like me as a director."
He has lived in Utah since 1963.