Revealing mistake: In the final Indian chase at the conclusion of the film, when a covered wagon rolls over, one can see the rope that was used to ensure it tipped over.
Revealing mistake: When Nicky is taking a shower in the trailer, on two different occasions you can see the beige colored towel that is wrapped around his waist.
Revealing mistake: Before Warden and Pruitt start the back alley knife fight, vapour is coming from Warden's mouth while he's talking to Pruitt, indicating the outdoor scene was not shot in Hawaii, a warm climate, but probably in California on a cold night.
Revealing mistake: At the end, when King's troops are attacking Khan's camp, a "dead" insurgent hops up and runs off screen just as the arsenal explodes. (01:36:00)