Continuity mistake: The background behind Hopper while he is in the man lift changes from shot to shot. In the close ups of him in the man lift's basket, there is a striped wooden wall, but the long shot of the man lift in the raised position shows an open wooden railing behind it.
Continuity mistake: Director Okinawara is being grilled by his boss. The close-up of the hand slamming on the table shows the sleeve of someone wearing a brown jacket, but his boss wears a powder blue one. (00:02:55)