Cameos in the final gunfight included popular stars of TV and screen Westerns, appearing in order: Hugh O'Brian (as Wyatt Earp), Ward Bond (as Major Seth Adams from "Wagon Train"), James Arness (as Matt Dillon), Roy Rogers, Fess Parker (as Davy Crockett), Gail Davis (as Annie Oakley), Gary Cooper, Jay Silverheels (as Tonto from "The Lone Ranger"), as well as Bing Crosby in his customary Hope film cameo.
Wendell Corey, who plays Jesse James, had previously played his brother Frank James in Les rebelles du Missouri (1951).