Continuity mistake: Near the beginning, when the Jamaican hustler on the street is 'informed' that his services are no longer needed, the girl sticks the gun to the side of his head, and blood spurts out from his head right as the shot is fired, instead of after.
Continuity mistake: When Scotty is beating Nino up on the fire escape it's dark in one shot, then in the next shot it's broad daylight and people start to come outside.
Revealing mistake: When a man is stabbed in the hand with a sword, the sword is just in the table.