Gary Cooper was, at 56, a decade older than Lee J. Cobb who played his "Uncle" Dock Tobin. Even with heavy makeup, it is generally agreed that Cobb still looked younger than Cooper, and Cooper was actually about 20 years older than his character was supposed to be. In addition, Cooper and John Dehner talk about being children together, but Dehner was actually 14 years younger than Cooper.
Jean-Luc Godard, a film critic before he became a director, raved about the film, saying it was the best film of that year. Because of his recommendation, the film has been re-evaluated and is now considered a classic western.