When Amos and Theodore arrive at the prison, they are led through a door. The guard that opens the door to let them in is a different man who closes the door afterwards. The man opening the door has a mustache, the guy closing the door is clean shaven.
When the gang is being court marshaled and their buttons are being ripped off their blouses, Theodore is shown holding the ball from his ball and chain. After the buttons are torn off, Theodore doesn't have the ball in his hand, but in the very next scene as they are being led away, he is again holding the ball.
When Miss Gaskell notices the man going on top of the train she follows him and is wearing very high heeled ankle boots, but when she steps on top of the train car, she's wearing something like Oxford shoes with a small heel.
When two of Big Mac's henchmen draw their weapons to shoot Pvt. Reed from the train Amos and Theodore can be seen reaching for bags of money to hit the henchmen with. In the next shot Amos and Theodore are standing upright and once again begin to reach for the bags of money.
When Amos and Theodore first ride into town, they pass an alley through which a hanging electric lamp and power pole with transformer are visible.
The name of Amos's donkey is Clarice, but it's clearly a male donkey.