Revealing mistake: When Miles is driving and doing a crossword puzzle the car's odometer is at 0.
Suggested correction: Already posted and corrected. The odometer isn't working. It's broken. It happens.
Revealing mistake: Matt, the boy killed at the beginning, has very short hair. His dummy (the one hit by the white van) has much longer hair. (00:05:40)
Revealing mistake: Tim parts his hair on the left side, but during dinner it was parted on the right side. After dinner, when Tim was coming down the steps with his sister, his part was on the left side as usual. It was the same evening because he was going to the party. (00:18:15 - 00:20:09)
Revealing mistake: In the opening scene, where Dwayne is standing on the boat, it shows he turned to his left. The next close-up, he is turning to his right.
Revealing mistake: When John uses Scorpius as a shield and takes cover in front of him, as John fires at the Tregans behind Scorpius, there are round black devices attached to the back of Scorpius' suit that are there for the gunfire special effects, which suddenly appear then disappear after.