Deliberate mistake: Walter slips on a golf ball in the judge's bedroom and the stuntman is seen taking the hard fall. (01:19:05)
Deliberate mistake: David climbs over the balcony and starts to climb down the trellis. In the wide shot the stuntman for John Larroquette is blatantly obvious. (01:20:15)
Deliberate mistake: David and Walter start to fight in the bedroom at the home of the party. In the next shot as they have locked onto each other, they crash through the glass doors and as they reach the banister they actually let go of each other, face outward and do a lovely professional stunt double flip. In the next shot, the stunt men crash onto the table and in the last shot it's back to the actors again. (00:55:00)
Deliberate mistake: While driving on the freeway, Nadia causes Walter to swerve the car and in the exterior wide shot it's not Bruce Willis driving the car. (00:33:35)
Deliberate mistake: When Walter falls from the banister, it's very apparent that a stuntman takes the fall for Bruce Willis. (01:21:50)