Continuity mistake: When Juliet Luis is cleaning the windshield in the beginning of the movie, she moves to the passenger side and wets the window. The next shot she is talking to Sharon Stone and the windshield is dry.
Continuity mistake: When Marie is in the back of the van taking the chains of Alex, Alex picks up the knife and it is obviously bent. Once the chains are off and Alex puts the knife up to Marie to defend herself the blade is straight, and stays that way even when "the killer" takes it out of his chest.
Continuity mistake: When Adrian is in his car, a thug climbs in and makes him drive at gunpoint. At one point, Adrian drives the car off route from where the thug wanted him to go, and he struggles briefly, throwing the gun at the window and shattering it. However, at the end of the chase, Adrian jumps out and runs away, and there's a quick shot of the thug opening his door and giving chase - and the window is fully intact now.
Continuity mistake: When the monster truck rams the back of Adam's car the shot immediately after shows no damage at all to the back of the car. This happens in several scenes throughout the film until the car is eventually destroyed. (00:11:50)
Continuity mistake: When Shintaro is shot in his leg you see him lying on the football and there is no blood on the ball. Then it cuts for a brief second to another kid, then back and now the ball is suddenly covered in blood. (00:21:20)
Continuity mistake: Pilots and flight control are talking about the weather forecast. There's a close-up of the control tower monitor. Next shot is a wider one, and the computer has a different layout of open windows. (00:30:55)
Continuity mistake: When the family first discover the pram on the road after Brad has been killed, its position on the road changes between the first angle and the second angle from the car. Note the wheels and the yellow line. (00:26:25)
Continuity mistake: Near the start when they are jumping out of a helicopter with scuba gear, they show one guy in an orange wetsuit with scuba gear and 1 yellow oxygen tank standing at the door about to jump, then in the next shot show a person in an all black wetsuit sitting on the edge and jumping with no scuba gear and no oxygen tank, then in the next shot where the guy is hitting the water, they show a person in a gray wetsuit with 2 red oxygen tanks.
Continuity mistake: When John Gacy hands a joint to the young guy he's picked up on the corner, the joint is nearly finished. When the young guy hands it back, it's almost a full joint.