Continuity mistake: On the helicopter, as the camera is pulling away from Richard's sunglasses, he is sitting in the passenger seat and Jen is shown sitting in the back, in the middle seat. When the helicopter lands a few seconds later, Jen is still in the middle seat, but when Richard opens the door, she is now sitting in the left hand side seat. (00:01:30 - 00:02:05)
Continuity mistake: When the helicopter arrives at the house, Jen is shown sucking on a lollipop whilst Richard gets out. The camera changes angles to Richard opening the door - the lollipop is suddenly out of her mouth. (00:02:05)
Continuity mistake: When Jen and Richard are about to have sex after arriving at the house, he pulls on her hair, causing some hair to go over her shoulder. The shot cuts and the hair going over her shoulder is no longer there. (00:03:40)
Continuity mistake: When Jen is filling up a glass with water, her left hand is shown holding onto the glass and her right hand cannot be seen in the shot. When the shot cuts, her right hand is suddenly next to her left. (00:06:35)
Continuity mistake: When Jen takes a bite out of the apple, she is holding it upright. In the next shot, she is holding it sideways. (00:06:45)
Continuity mistake: When Jen sees Stan standing at the window, she gasps and has her hands raised to be level with her head. When the shot cuts, her hands are lowered. (00:06:47)
Continuity mistake: At the start of the movie when Jen is looking out the big doors she sees the 2 men and drops the glass on the floor which smashes. 2 minutes later all 4 are walking over the floor as if the glass wasn't there at all. (00:06:47)
Continuity mistake: When Stan and Dimitri first walk into the villa, just as Dimitri greets Richard, he has his shotgun placed over his shoulder. In the next shot, he is holding his shotgun with the strap placed over his shoulder, and the shotgun positioned behind his shoulder. (00:07:23)
Continuity mistake: Just after Stan and Dimitri have finished putting down their hunting equipment after entering the villa, Stan has his hands at his side. But when the shot cuts, his hands are in his pockets. (00:07:35)
Continuity mistake: When Stan and Dimitri first walk into the house, Jen is shown holding her iPod in her hands and has it raised to her chest. The camera changes angles and her hands are suddenly at her side. (00:07:35)
Continuity mistake: After watching Jen walk into the bedroom, Stan asks Richard if "Elizabeth and the kids are OK." Just after saying this, Stan rotates himself 90 degrees to the right and Dimitri rotates himself 90 degrees to the left, so that the two are facing each other at the end of the shot. In the next shot, Stan has suddenly turned another 90 degrees so that he is facing Richard. (00:08:23)
Continuity mistake: After Stan spins an apple, the scene cuts to Jen walking over to Richard outside. In the shot of Jen walking over, Stan is holding a pair of sunglasses so that the lenses are facing the camera. When the shot cuts to focus on Stan, the glasses are rotated 90 degrees. (00:08:53)
Continuity mistake: When Jen is talking with Richard and his friends at night, she says as soon as she can, she'll fly far away. The shot then cuts to Stan and she suddenly has her hand by her face. The shot cuts back to Jen where her hand is off her face, then back to Stan where her hand is by her face again. (00:09:45)
Continuity mistake: When Richard starts explaining what the peyote is, Dimitri is smoking a cigarette and then begins to take it out of his mouth. When the shot cuts, the cigarette is far away from his mouth and is suddenly putting it out in an ash tray. (00:10:45)
Continuity mistake: After Stan wipes the last bit of suncream into Jen's lower back, Jen pulls out a chair so she can sit down. Her hand is away from her back when she does this, but then her hand is touching her lower back when the shot cuts. (00:14:44)
Continuity mistake: When Jen wakes up after she is raped by Stan, her earphones are shown positioned on top of her iPod beside her. A couple of shots later, the earphones and iPod are positioned separately beside each other. (00:23:50)
Continuity mistake: When Jen reaches the edge of the cliff after running away, there is a close-up shot of her face. There are strands of hair seen going over her face, but in another close-up from a different angle, those strands are no longer there and the wind appears to be blowing her hair in a different direction. (00:26:02)
Continuity mistake: Just after Richard pushes Jen off the cliff, Richard, Stan and Dimitri are shown looking over the edge all standing side by side. The camera changes angles and Richard and Stan are suddenly further apart by a couple of feet. (00:27:40)
Continuity mistake: When Richard is explaining the plan to Stan and Dimitri after pushing Jen off the cliff, whilst he says "Understood?" to Stan, a light breeze can be seen blowing Stan's shirt collar. When the shot cuts, the breeze is a lot heavier and Stan's shirt collar is moving a lot more. (00:28:23)
Continuity mistake: When Jen regains consciousness after being impaled on the tree branch, blood is dripping out of her mouth, onto her nose and off her face. Part way into the scene, the blood has has stopped and her teeth are completely clean. Then a few seconds after that, blood is dripping out of her mouth again. (00:32:05)