Other mistake: When Titus goes to lower the jack on the Mustang to crush Brian, it isn't even in a position to do so.
Other mistake: When Nick Cassidy climbs onto the roof, he somehow injures his leg, but moments later, he's running at full speed. (01:24:00)
Other mistake: When the narrator holds up the wind speed gauge at the water's edge, strong whitecaps should have been visible to match the 22MPH indicated.
Other mistake: During the end credits, there's a misspelling. An 's' is missing from 'First Assitant Camera'. (01:33:05)
Other mistake: The shot before Dredd tells Anderson the terms of the assessment is flipped: you can tell because the judges walking in the corridor have their badges pinned to the right side: with every other judge in every scene of the movie, it's on the left side. (00:10:25)
Other mistake: When Joe shoots the boy at the back of the house, he walks to the front at the same time a woman a few feet away walks toward him with a pram, and there are people in the background. There is no reaction from anyone to the obviously loud gun shot noise - his gun did not have a silencer on it.