Continuity mistake: Selene normally wears high heel boots. They briefly turn into flats during her caged fight with Varga, right before he betrays her. (00:26:40)
Continuity mistake: When Beverly is in the bathroom she puts out her cigarette on the cubicle wall using her right hand. The shot switches to overhead and she's now using her left. (00:12:10)
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)
Continuity mistake: At the start Edgar smashes his car up and kicks his window out and jumps out leaving a bit of glass in the window frame. However after the camera changes, the 2 bits of glass have disappeared. (00:01:05)