Continuity mistake: When he visits his friend in the hospital, he passes room 6 in the first angle, which he hasn't yet passed in the second angle. (00:22:10)
Continuity mistake: After getting the barbed wire noose around the bad guy's neck, you see Robert push bags down to pull the bad guy up. When his friends find him strung up, the bags are gone. (01:47:15 - 01:48:10)
Continuity mistake: When the guy robs the cashier at the store where he works, the guy leaves the store and there is a car waiting by the curb. He gets into the passenger side and you see the car drive off. But when it shows the back view of the car as it is driving away, there is only the driver and no passenger.
Continuity mistake: In the beginning of the movie at the diner, the building to the left has doors, and trees but the last time McCall is in the diner the building on the left is different and has windows. The last shot is actually the real building so there was some CGI editing.
