Continuity mistake: Phil sustains injuries to his face more than once in the movie. Every time the injuries disappear by the next scene. In one case the injury switches from the right side of his face to the left side between shots in the same scene.
Continuity mistake: In the very first scene in the movie, where we see Steve listening to the motivational tape, he is wearing a red tie with polka dots. Then, when he is shown walking toward his boss' office and he falls, you can see that his red tie has changed to a gold tie. When he is in his superior's office you can see that it is back to red, and when he goes to find Stavi in the restroom the tie is gold again. (02:00:00)
Continuity mistake: Right after the beginning credits, Jacques the chef walks through the door holding a plate of food with both hands. When the shot changes, he is walking through the door but is now holding the plate of food with one hand and has a fork in the other and has just taken a bite.
Continuity mistake: When Hal and Catherine are arguing before she goes to the airport, her ponytail switches between going over the front of her shoulder and hanging straight down her back between shots.
Continuity mistake: When Samantha is sitting at the foot of the bed with an ice pack on her head, eating toothpaste, in one shot she spits some toothpaste out and it goes over Chris' hand. In the next shot his hand is clean. (00:36:55)
Continuity mistake: When Chelsea returns back to the house, she runs through the front doorway and the door behind her is still open. In the next shot, the door is closed.
Continuity mistake: When Mr. Collins introduces himself to Mr. Darcy, Mary is behind them, talking to her parents. However, you can hear Mary singing at the piano (in the next room) at the same time, and then go on to see her there in the next scene. (00:40:20)
Continuity mistake: During the taxi chase at the beginning of the movie, the damage done to both cars changes between certain shots.
Continuity mistake: In the airport scene Scott Caan introduces his new "girl" to Paul Walker and Jessica Alba. In the background behind Paul you see a long-haired brunette wearing a strapless shirt walk out of the terminal and continue past the camera. The shot changes to a wide angle of the four main characters, and a second or so after the change you see the same brunette come out of the terminal again.
Continuity mistake: When Kutcher and Peet are in the restaurant, the amount of water in their glasses change from full to empty to full to half full, in about one or two scenes.
Continuity mistake: Towards the end, as Willis and Pollack drive the van, Willis is seen inserting the magazines in two handguns. The next scene shows hims putting the second gun on the center console, it has no magazine in it.
Continuity mistake: After Amy stabs the knife into the table next to the bed, it changes position in following shots.
Continuity mistake: When detective Connors and his partner enter Gina's apartment, Connors is at first holding his gun with both hands, but in the next shot, he is holding it with just his right hand.
Continuity mistake: The girl is supposed to be bathing in the sea naked, yet when she emerges the camera shot is a little too low and reveals that she is wearing bikini bottoms.
Continuity mistake: When DeMarco lifts his glass to look at Elektra you can see there's no meniscus where the liquid hits the glass. When it cuts to a close-up of the glass there now is. (00:05:55)
Continuity mistake: There is blood on Samantha's gloved hand when she presses the keypad, but there is no blood on the keypad after she removes her hand.
Continuity mistake: When Newcastle plays Chelsea the ball is yellow, but when we see shots from the real game it is white when we see the actors with the ball.
Continuity mistake: Just before Burt gets ready for his record-setting attempt, he wraps some asbestos cloth around his leg to protect it from the hot exhaust pipe. This does not allow him to fit his leg within the cowling of the bike, so he throws it off and puts his leg in without the protective covering. As he inserts his leg into the cowling, you can see that his pants leg is bunched up around his calf, not tucked into the top of his sock, as is Burt's usual procedure. However, a close up of the leg only a few moments later shows the pants leg tucked into the sock, and he could never have done that once he was fully seated in the cowling.
Continuity mistake: In one scene with Dahlia and Ceci sleeping in the same bed, Dahlia is awoken from a bad dream. The kid rolls over and pulls the blankets over her shoulder. The next shot, from the hole in the ceiling, shows the blankets around her waist.
Continuity mistake: Rebecca's hair changes from in front of her ear to behind it, while she is talking to John from the car. (01:24:35)