Visible crew/equipment: When Vee asks how Tommy knows so much about the game, a very nice camera shadow can be seen on the car seat. (00:12:50)
Continuity mistake: When Sook-Hee sees Hideko and Fujiwara kissing after returning with the paints, Hideko begins to stand, placing her right hand on Fujiwara's shoulder to help her stand. She has her elbow upwards when she begins to stand, but when the camera cuts to a closer shot, her elbow is much lower. (00:40:27)
Continuity mistake: When Holland shows the bartender the dollar bill in the shape of a shirt, he is smoking a cigarette before he takes the cigarette out of his mouth. Holland mentions to the bartender that he made it himself, with nothing in his mouth, but in the next shot, the cigarette is suddenly back. (00:09:45)
Continuity mistake: The cursed necklace is shown emitting its evil fumes on the white paper of the letter, but the letter itself is perfectly 90° with the envelope, or at a different angle. (00:06:20)