Reed Hadley, who plays Frank James, had earlier played brother Jesse in "I Shot Jesse James."
Henry Hull also appeared in "Jesse James' and "The Return of Frank James."
The real Bob Ford died in Colorado in 1892, not in Missouri in 1883, as this film states, and the real Charlie Ford committed suicide in 1886.
There were no Younger brothers named Hank or Lem, as there are in this film.
Working title: "The Return of the James Boys."