Continuity: At the end of the fight in the bar between Amsterdam and Bill's Scottish henchman, Amsterdam is in four consecutive shots from two angles bent over in pain, leaning back, doubled over again, and leaning back again as Bill approaches him.

Continuity: In the scene where Bill is cutting up the pig and is about to show Amsterdam the "kill" spots, he wraps up a piece of the pig for an old woman standing nearby. He throws the meat to Amsterdam to give to her and then reaches to unsheath a knife strapped to his right side. After Amsterdam gives the woman the meat and turns back around the shot cuts back to Bill and he is seen unsheathing the same knife he was holding seconds before.

Other: In the scene where the little dog fights the rats it's supposed to kill 25 in three minutes. When the bag with the rats is opened something like 10 rats fall on the ground.

Continuity: At their first encounter after Amsterdam's return to New York, Bill asks him to come closer. Amsterdam comes around the post he was leaning on, then the camera cuts to Priest Vallon's picture, and when Bill says it's close enough you see Amsterdam coming around the same post again.

Continuity: The moment when Bill attacks Vallon is very badly edited. There's a shot of Bill raising his cleaver, and it must be at Vallon because he had his eyes fixed on him already for a while. Then you see Vallon's arm crushed by a halberd, then again Bill staring at Vallon, then Vallon turning around, unharmed as it seems, and finally Bill slashing Vallon with his cleaver.

Continuity: When Amsterdam just met up with Jenny after she stole from the house, he is holding a handkerchief to his neck were he was cut. Then the camera view changes and his arm isn't there and it was to quick for him to move his arm.

Continuity: When Jenny tells Amsterdam that she's leaving for California, she is seen walking through a stone walkway. The camera angle changes and she is seen just turning around a corner and the walkway is nowhere to be seen.

Continuity: After saving Bill, Amsterdam is met by his father's old friend. As Amsterdam goes to walk away, he is grabbed by the friend. Camera angle changes and he is seen being grabbed again.

Factual error: The Snooker scene appears incorrect, since the earliest form of Snooker was invented in India circa 1875 - by British soldiers. At any rate, the blue ball shown in the movie was not added to the game until even later.

Continuity: Jenny pokes Amsterdam with her knife on the right side of the neck as he is trying to retrieve his medallion from her. Shortly afterwards, while walking back with her, he is seen dabbing the left side of his neck in two different shots, one of them pretty lengthy.

Continuity: The amount and position of the blood on Amsterdam's neck changes during the first fight with Jenny after he discovers she's a turtledove.

Continuity: The scene where Amsterdam is climbing on the Portuguese ship, we see that there are still four people left in the small boat and we see that Johnny is the first one on the ship, so how did the rest of the gang board the ship before Johnny and Amsterdam? They even know that the ship has been ransacked.

Continuity: During the theater scene a man tries to murder Bill the Butcher but Amsterdam saves his life. As Amsterdam is wrestling with the culprit his hat halls off but in the next scene its back on then off again.

Revealing: During the theatre scene, when the camera is behind the hanging actor and the crowd begins to throw fruit at the stage, the screen very briefly shakes; the cameraman was hit.

Continuity: In the shot when Amsterdam is lying on the table and Bill's cleaver is rotating in the air you see that he is wearing a checkered black-and-white scarf. This wasn't there before, and it's gone right after, and it would have been visible the way he was manhandled by Bill's men.

Continuity: After Amsterdam gets almost killed by Bill, Jenny is tending to him in a cave. She leans over him to kiss him, and while she does so a scarf that she had around her shoulders disappears.

Continuity: When Jenny and Amsterdam are lying in bed Bill suddenly sits in a chair next to the bed. He has an American flag draped over his shoulders. The way the flag is folded on the stars side changes when Amsterdam asks him if his shoulder is keeping him up, without Bill changing position.

Continuity: In the battle of Five Points a witch-like women with steel claws jumps at a man, already flashing her teeth in anticipation of a good bite. Before she lands on him she lowers her head that it ends up below his shoulder, but when the camera angle changes she's biting off his ear.

Continuity: Before the big battle of Five Points begins Bill's gang comes out from a decrepit house. In the first wide shot of the place there is no smoke coming out ouf the chimney of the adjacent house to the right, but a moment later when Bill's people start to emerge it's smoking heavily.

Continuity: In the scene where Amsterdam tries to kill the butcher and fails, the butcher straddles Amsterdam on a table and tosses a cleaver in the air. The cleaver rotates counter-clockwise so that the blade is rotating backward; however, when the cleaver lands, it is rotating clockwise so that the blade sticks into the wooden table. This would be impossible the way the cleaver is tossed into the air with a back-handed flip.