Continuity mistake: When Jen is approaching the SUV after shooting Stan in the shoulder, there is one shot where the gun she is holding is raised with the eyepiece almost level with her eyes. It then cuts a shot from behind her, where the gun is away from her face. Then when it cuts again, the gun is raised again. (01:17:10)
Continuity mistake: After Jen shoots Stan in the shoulder, she stands back up and looks through the eyepiece of her shotgun. The petrol can Stan was using to fill the SUV with is on the ground beside the right rear tire. When Jen walks up to the SUV, the can is now behind the car. (01:16:50)
Continuity mistake: When Jen falls over after shooting Stan, there is a quick cut where a strand of hair is shown suddenly going over her eye that was not there in the previous shot. There is then another quick cut, and the strand of hair is suddenly away from her face. (01:16:35)
Continuity mistake: When Stan runs back to the SUV after he discovers Dimitri's body in the lake, there is a blood stain on the windshield from where Richard had dumped an animal carcass. The appearance of the blood changes between shots. (01:00:10)
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)
