Deliberate mistake: When Walter falls from the banister, it's very apparent that a stuntman takes the fall for Bruce Willis. (01:21:50)
Continuity mistake: Nadia opens the door and sees David standing there with a branch in his hair and mud on his clothes. However, when David walks into his room the branch in his hair is higher and now there is a large branch at his side and under his arm pit. When he walks onto the terrace the mud stains differ as does the branch in his hair. (01:20:55)
Visible crew/equipment: At the beginning when the guy is telling Bruce the story about the limo, they come out of the elevator and the camera starts tracking backwards. It casts a following shadow on the wall behind the two actors. You can make out the film magazine, and the head of a crew member. (00:04:50)
