Raquel Welch was signing autographs on the set for fans, when James Stewart heard her complain that she didn't like doing it. Stewart told her "You better sign those, they're the ones paying your salary." Welch thought about this and from then on willingly signed autographs.
This was the first appearance of a character known as Sheriff July Johnson, played by George Kennedy. Larry McMurtry would use this name later in Lonesome Dove, with the sheriff this time played by Chris Cooper.
Wade Phillips: One of the men killed by the bandits. He is/was also the head coach of the Dallas Cowboys.