Continuity mistake: In the bridge scene, Willis is seen without his crutch as he looks over the bridge at his fallen cousin. They cut to him beside the bridge and he has his crutch.
Continuity mistake: If you watch in the beginning of the movie you will notice during the car chase that various parts of the suspect's car fall off or get torn off and then in other scenes the parts are back on.
Continuity mistake: In the beginning, during the car chase, the Ford LTD they are chasing loses its front bumper, grill and several headlights. It even runs over the bumper causing a large spark display. But in the next shot the car just has lost two headlights.
Continuity mistake: Immediately after Hardy puts the taser in Jimmy's mouth, Hardy is bald.
Continuity mistake: When Bruce and Sarah stop the drinking kids in the fast speed boat, they confiscate a bottle of scotch. BW opens the bottle to smell it, then the scene goes to the partner and back to him and he UNSCREWS the top and dumps the liquor over the side. He opens the bottle twice.
Continuity mistake: The damage to the front of the bad guys' car in the opening chase changes considerably between shots throughout the whole chase.
Continuity mistake: When the fleeing suspect's vehicle broadsides a pickup truck, the front bumper falls off (chrome and two rubber bumpers) exposing the bumper support underneath, and the two driver's side headlights are completely gone. After the car goes over a bridge, the front of the suspect's vehicle is shown again and the bumper is back on the car, the chrome and two rubber bumpers are intact, along with the headlights. Then as the car takes a left, the right front side of the vehicle has the hood popped up, and different damage to the driver's side.