Other mistake: When Sugimura is looking for Kotohiki, he activates his scanner to see if she is nearby. The scanner shows her location, but fails to show either Mitsuko or Kiriyama, who show up quickly after.
Other mistake: Early in the film, Valerie Barksdale (Hilary Swank) visits Annie Wilson (Cate Blanchett) for a psychic reading. Valerie has been severely beaten by her husband, and her badly black and blue eye is swollen shut. A day or two later she visits Annie again. Amazingly her eye appears to have completely healed, even though the other marks on her face are still visible.
Other mistake: In the beginning of the movie when Kimberly is shackled to the floor you can see that the padlock isn't locked. She could just take it off and be free.
Other mistake: After the veterinarian throws blood all over the floor, we see clean spots appear on the floor in the shape of Sebastian's feet as he walks through the blood. Somehow he never has any of it stick to the bottom of his feet (even when he's in the puddle).
Other mistake: The scene where Clear is in the garage, she puts the car in drive, but somehow reverses the car through the garage door. (01:24:49)
Other mistake: How did the murderer manage to remove the robe, put the wig on perfectly, and still be only a few seconds behind Jody and Kenny despite the fact that Jody and Kenny got at least a 5 minute start?
Other mistake: When Claire Spencer loses her husband's mistress' braid in the lake, she tells him this and Dr. Norman Spencer acts like it's the first time he's heard her talk about it as he picks it out of the water. She has, however, mentioned the braid a short time before this to him, right after the rough sex they've had.
Other mistake: Several times throughout the movie people are looking into the camera. Mostly at the grand opening of Water World, and at the surf competition.
Other mistake: When Fry is looking around for Riddick at the end, she's holding the blue bottle of bugs to light her way. The blue light on her face isn't from the bottle as she holds it, as she's circling around in some cases with the bottle completely behind her, yet her face is still lit up blue.