Continuity mistake: The third time after Rob reawakens in the elevator, when he bumps into the man with the micro-brew, the amount of beer spilt over the man's shirt increases between shots. (00:29:15)
Continuity mistake: When Rob is being questioned by the police, he is wearing a blanket over himself, with one of his shoulders slightly exposed, but in the last shot of him at the end of the scene, the part of his shoulder that was exposed is suddenly covered up by the blanket. (00:21:35)