Trivia: The hat band on John Wayne's hat once belonged to Gary Cooper. It was a gift to John from Cooper.
Trivia: Katherine Ross, (Etta Place) was caught operating a camera, filming some footage of the arrival of the train carrying the "super posse". In the late 60s the US film business was strict, closed shop union (to a great extent it still is) and Ross operating a camera was against every rule there is. Several senior crew members demanded her dismissal from the film but producer John Foreman and Unit Production Manager Lloyd Anderson, aware of the fact that a lot of scenes with her in it would have to be reshot at absurd expense, argued for a compromise to which the union agreed - none of the footage she shot would be used (it wasn't) and she would be asked not to be on set while scenes in which she was not involved were shot. Her gender was totally irrelevant to the issue. This is confirmed in William Goldman's excellent memoir, "Which Lie Did I Tell?"
Trivia: Moon Zero Two is one of only three movies (of which I'm aware) that portray the vacuum of space as being non-acoustical: there are no sound effects laid in for the "outdoor" scenes. The other two flicks are 2001: A Space Odyssey, and Destination Moon.
Trivia: Ernest Borgnine's limp is genuine because he broke his foot before production began.
Trivia: This film is based on a true story; but, of course, much dramatic license is taken with the facts. For example, while the movie depicts Lola shot in the chest (either by Willie Boy or by herself), the real-life "Lola" was shot in the back by the posse that was chasing them. Also, while the movie depicts Sheriff Cooper gunning down Willie Boy at the end, the real-life Willie Boy committed suicide by his own hand.