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: When John is in front of the shop window trying to remember his first name, there is a small sign in the window saying "Back at 3 o'clock." A few shots later when John starts spinning in a circle, the sign is backwards, revealing a flipped shot.
Continuity mistake: When John falls down after reading the newspaper clippings in front of the Shell Beach billboard, one of the Strangers can be seen approaching him on the far left of the screen, in front of a window at the top of some stairs. But in the next shot, the Stranger is suddenly further down the stairs.
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.
