Visible crew/equipment: When Mia first does the ritual, you can see the boom mic on the bottom right corner. It hides in the dark corner, but if you look carefully, you can see it come in the shot. It's easier to, depending on how dark your screen is. (00:20:40)
Continuity mistake: When Barry Cook is shouting at the mother walking past him, just as he says "I asked a question", he is holding a beer in his right hand, which is lowered. In the next shot, his right hand is suddenly raised. (00:33:23)