Continuity mistake: When the Mafia boss dies, he falls next to a fruit stall. A crate falls next to his head, and fruit falls on the floor. When the shot changes, the crate has moved away, and the fruit has vanished.
Character mistake: When McCall put his gun to his head and pulled the trigger, he's saddened that it didn't go off. Most handguns (including the one he was using), after the last round is fired, the slide locks to the rear. He would not have made the mistake of thinking it was loaded.
Continuity mistake: When Robert is sitting at the café in the evening, the young man brings him a tea order. Robert prepares and puts out his napkins twice, from 2 different angles. (00:45:33)
