Trivia: Jimmy Stewart was not the first person picked to play Lindbergh. Stewart at the time was in his mis-40's. The first person at the time the same age that Lindbergh was at the time in 1927, But the actor had been fired by the studio a few days before filming began. His name was Clint Eastwood. Stewart had to lose 25 pounds of weight and dye his hair light brown.
Trivia: The real Charles Lindbergh was never allowed on the set of the film. Jimmy Stewart said if he showed up, all the cast would walk off. Lindbergh was hated for his pre-WW2 actives with Nazi Germany.