Continuity mistake: When Mr. Hand pricks Emma's throat, the blood moves from the middle of her neck to just under her jawbone and changes shape between the closeup and the larger shot. (01:17:25)
Continuity mistake: Emma steps in front of John to protect him from Bumstead at their apartment and says, "You have the wrong man." But in the previous shot and the next one, she is about two feet farther to John's left. (00:23:35)
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.