Frank O'Brien: What the hell are they shooting?
Deputy U.S. Marshal Nathan Pearce: When you tell an Indian things will be a certain way and then they're not, he's inclined to think maybe you crossed him.
Deputy U.S. Marshal Nathan Pearce: Well, let's get her done.
Answer: Ben Johnson and Charles During. Their characters had guns pointed at them, they stopped the train suddenly to knock them off balance. As soon as Bronson and the Major jumped off the train, Johnson and During took control of the engine.