Continuity mistake: After Mike has set the tent up they go for a ride on their snowmobile to check the scenery out. They come uphill parking the snowmobile facing upwards. They get up looking at the scenery, and a few shots later the snowmobile has suddenly turned 180 degrees facing downhill. (00:13:40)
Continuity mistake: Wren is asking her mother about the form for the college loan. When she remarks sarcastically "Afghan citizenship, hello?" she has a big bunch of hair in front of her shoulder, as opposed to the previous shot. (00:02:30)
Continuity mistake: In the scene near the end of the movie where Ellen Miller asks Robert Miller to lift up his shirt, and then slaps him in the stomach with a newspaper, we see that his right shoulder suspender is properly positioned, however in the next shot from behind him his suspender over his right shoulder appears to be twisted 180 degrees. As he turns to walk into the inner bedroom the suspender is once again back to a proper fit.
Continuity mistake: At the "written by" screen with Al Pacino and Christopher Walken meeting, the shadows of the building run perfectly parallel to the fence and through the whole length as far as it can be seen. The two exchange 30 seconds of dialogue and an awkward hug, and drive off. The shadows have changed entirely; they start about halfway at the gate, with an oblique angle. (00:04:05)
Continuity mistake: When the form falls onto the girl's face, the position of the form changes between shots. (00:00:35)
Continuity mistake: When the dog comes in and takes Dale's hand the blonde woman's legs keep changing position. (00:47:00)
Continuity mistake: The first time they go to the beach together, Alain is sleeping while Stephanie is swimming. When she wakes him up with her potent whistling, he has his hand on his belly that touches the bathing shorts'upper band in the first shot, but the hand is in a different position above his bellybutton in the wider angle. (00:43:05)
Continuity mistake: After Ray jumps off the boat to remove the chain from its tether, in the following wide shot, the chain is nowhere to be seen.
Continuity mistake: When Sheriff Cooper writes "Karsson" and underlines it on the chalkboard, the way it is written changes between shots. In one particular shot, the line he underlined it with is suddenly rubbed out.
Continuity mistake: Celeste's white Honda (Alabama plate #LF8VN3D) is riddled with bullets right after she drives up to the cabin, but there aren't any bullet holes later after the police show up. (01:26:00 - 01:45:00)
Continuity mistake: In the underground lab, Dr. Su offers to surgically remove the false memories he implanted in John's brain. He drills a half-inch hole in the right side of John's forehead, which leaves the right side of his face covered in flowing blood. John can't stand the pain, breaks free, and he goes on a rampage throughout the underground bunker, killing every UniSol in his path. As he fights his way through the bunker, the bleeding hole in John's head switches from the right side of his forehead to the left side, then back to the right side again. Also, in the last scene (an unspecified amount of time after the bunker brawl), John has no scar on his forehead at all.
Continuity mistake: When Jeremy and the cop girl are shooting for practice, the amount of cans changes between shots.
Continuity mistake: At the start, the bottle of Glenfiddich rotates on the desk with no-one touching it,. (00:05:45)
Continuity mistake: When the guy with the hat plays pool and goes to hit the blue ball, in the next shot it changes to white and he completely miscues. (00:27:25)
Continuity mistake: The German and British airmen are looking at the Northern lights. From the rear the men are apart, but the front shots of them show them much closer to each other.
Continuity mistake: Tom walks into Anthony's memory. Anthony is sitting by the pool next to a table with two glasses of beer, which are 1/3rd empty. A few minutes later the memory is replayed, but this time both beer glasses are mostly full. (00:49:50 - 00:58:35)
Continuity mistake: The man with one arm in the projector slides shows his right arm removed below the elbow. The next slide shows his left arm missing, and then it goes back to his right. (00:35:34)
Continuity mistake: When the mother breaks the window to enter the neighbor's house the next frame shows the glass still intact. (01:07:00)
Continuity mistake: At the end, the heater is on a chair when Sally chucks the locket on to it. After the spirit has been banished the heater is now on the floor.
Continuity mistake: When the mean Santa puts the little girl in his lap and asks her what she wants, she's wearing gloves. When it cuts to a different angle, suddenly her gloves are gone.