In Back to the Future (1985), when Marty McFly (Michael J. Fox) first enters Hill Valley on November 5, 1955, this film is playing at the Essex Theater.
The role of Farrell was originally offered to Robert Mitchum, who turned it down, because he didn't like the script. It was then offered to Ronald Reagan, who took it.
This is one of four westerns in which Barbara Stanwyk was involved and where she played a strong woman leading men, dressed like a man. The others are "The Maverick Queen, "The Furies" and "Forty Guns".
On January 14, 1989, Ronald Reagan and Nancy Reagan watched the film at Camp David. It was the last film that Reagan watched before the end of his Presidency six days later.
The Blackfoot Indians who were hired by the production received thirty thousand dollars each from the Standard Oil Company to explore their land for oil. And if the company hit oil, the Indians would get a lot more. So the Blackfoot eventually could buy Cadillac cars to come on the set. And when one was damaged or smashed, the Indians bought another one, right away, without fixing the wrecked one.