"At the beginning, the tension is all wrapped up in this out-of-control child. Wiseman, who was 6 when the film was shooting and is making his screen debut, is an ideal mix of wide-eyed innocence and tantrum-throwing rage. At one point, as his screeches fill the car, you may wonder how his mum has managed to go this long without strangling him... That is the subtext running through the film — the threat of imaginary monsters and the real ones humans are capable of becoming... Many times along the way, you fear you know where things are going. But Kent is clever in choosing unexpected spots to pull the rug out from under you." - Betsy Sharkey, Los Angeles Times