In the scene where Wes is at Nicoles place to do the interview. While wearing the robe his wristwatch changes sides from right to left and back again to right.
In the scene where Christian Slater has been beaten up and goes back to his hotel to clean up, the wounds have switched sides of his face. Forehead cut moves from right to left and nosebleed from left to right.
In the scene where Alicia is double over the bonnet of a car being man-handled by the man in the George W Bush mask, she wrenches the windshield wiper from the car and stabs the man in the cheek with it. The mask is damaged and covered in blood as a consequence but seconds later in the next shot all the blood is gone and the mask is repaired.
In the last scene at the airplane, Samantha has her left side of the forehead hit, but when she later jumps from the plane the injury has moved to her right.
In the car chase scenes when the Thug's black car hits Samantha's beige car, the driver's side mirror breaks off and hangs there. However in the following scenes same mirror is fixed as if it wasn't broken.
In the scene where Nicole enters the hotel room after Samantha kills the goon, the door light flashes red, which only happens when the key is invalid, yet in the next shot she is seen opening the door.