Continuity: A few minutes after James accidentally shoots his friend, he reloads his shotgun and tells Kristen that he is going outside to look around, and tells her to stay put. He walks to the front door and as he passes the clock on the back wall, it reads 5:00 a.m. A few minutes later, Kristen walks past the same clock, and it reads 4:30 a.m.

Continuity: After Kristen twists her ankle outside the shed, the way she walks changes from hobbling on one foot to walking normally.

Continuity: James takes off his tie to cover the cut on Kristen's hand, but when they run outside to escape in the car James is wearing his tie again, then after the failed escape they run back inside the house and James tie is missing. In another scene Kristen goes into the woods to look for James and falls into a ditch, then as she climbs out the tie is missing from her hand, but the next scene it's back in place.

Continuity: When Kristen is discussing the ring with James at the table, there is an ice bucket with a bottle of champagne in it. During their conversation, the ice bucket moves closer to the candles and is empty. Seconds after showing the ice bucket empty near the candles, James gets out of his chair, grabs the champagne from the ice bucket in its original spot, and pops the cork.

Other: When the masked male killer is dragging Kristen down the hall at the ending of the film, the absolutely dead Mike's fingers twitch.

Continuity: Throughout the movie, the bandage put on Kristen's hand by James appears and disappears in several different shots.

Continuity: When Kristen is in the room trying on the ring, you can see the open bottle of champagne on the table. When she goes to play the piano, you can see the bottle not on the table, but in a basket unopened.

Continuity: The candles never burn down the entire movie. They stay the same height, and never have any wax running down them as if they were just lit.

Continuity: James goes to town to get his girlfriend cigarettes because she says she only has one left. Later in the movie, while he is still gone, she goes to light up and there are three cigarettes left in her package.

Continuity: In the scene where Liv Tyler is in the shed using the CB radio, she hides and drops the microphone. In the next scene, the mic is standing upright, then it is lying down, then it is standing upright again when she goes to use it.