Gaffes

When Devlin is tossed out of Poli's house, he tumbles down the steps with his head toward the right of the porch. But on the cut to the close-up, he completes the fall with his head toward the left, a complete mismatch from the previous shot.

Toward the end of the movie, at the beginning of the fight between John and Big Tree, Big Tree hits John and knocks Captain Bounce out the door and on the ground taking Sandy with him, as they get up Walter Brennan's character accidentally hits Vera Ralston in the face.

Obvious fake blacked-out teeth when the henchman gets his teeth "knocked out" in the train fight.