Continuity mistake: At the part when Mr. Sleep scratches his knife against the wall and Murdoch falls out of the doorway. The door is on the right side, but when they show the downward shot, it is on the other side. (01:00:00)
Continuity mistake: When John is visited in jail by Emma, he is escorted by one policeman. A second policeman then magically appears in the close-up.