Continuity mistake: As the Doctor is being put to sleep, he lies on the operating table which has no pillow for his head. When Salinger uses the defibrillator on the Doctor, he has a blue pillow cushioning his head.
Continuity mistake: In the scene where Alec Baldwin and Demi Moore are in the car and he's threatening to run over her son, who is riding a bike in front of them, Alec swerves at the last minute, and Demi looks over her right shoulder and collapses in relief, but in the next shot, she's looking over her left shoulder, collapsed in relief. (00:48:40)
Continuity mistake: In the scene when Jerry arrives at the top star's house to make sure he's still staying with him, he arrives in an Eagle Vision car, but later leaves in a Pontiac Grand Prix.
Continuity mistake: When William Petersen is on a cordless phone at work, he says "the guy gives me the creeps and the girl is my daughter." As he does, the phone cord appears, and the phone's position changes as he hangs it up.
Continuity mistake: When Renton goes home with Diane, after they finish having sex, she tells him to get out and leave the room. As Renton sits up, it's very obvious that he's not wearing any protection. Not thirty seconds later, he peels off his condom in the hallway.
Continuity mistake: During the press conference at the U.S. Open where Roy begins to list the companies who are sponsoring him, he says that one of them is "Woody's Smokehouse" when the patch on his jacket says "Wally's Smokehouse".
Continuity mistake: John Smith's guns can hold about six dozen bullets apiece.
Continuity mistake: In the final underground laboratory explosion scene Keanu Reeves and Rachel Weisz are being pulled up to the surface in a cage by a crane on the surface and are covered with grey soot from the underground explosion. In the ensuing scene when being met by the people on the surface they are all cleaned up.
Continuity mistake: When John Travolta is showing the young boy how to tighten the air filter top, he makes sure the boy gives the wing nut an extra twist. Next he notices a car coming up the road and he leaves. When the FBI agent comes over and looks inside the hood of the truck, the air filter top is again off, the air filter is out and the carburetor is exposed.
Continuity mistake: During the night scene when the cop is shot, the cigarette in Peter Stormare's mouth switches between being long and nearly consumed. (00:28:52)
Continuity mistake: In the final battle scene between Geena Davis and Craig Beirko, Beirko's character slashes Davis' character across the stomach (upper right hand side). In the next shot, the wound is located on the lower left side and in a subsequent shot, the wound has multiplied to become two wounds: one in the upper right hand side and a second in the lower left hand side.
Continuity mistake: After Almasy comes out from the desert, he goes to the British soldiers. They offer him a half glass of water. As they hand him the water, there is a scene change, but the water now is a full glass.
Continuity mistake: When Campbell and Cole are inside the Chinese herbal-like shop, the woman behind the counter offers Campbell a drink. When he goes to drink it he holds the cup with two hands but in the following shot he's holding it with only his right hand. (00:14:05)
Continuity mistake: Early in the film, Michael talks to Harry Boland on a boat. During this scene, a cigarette appears in Boland's mouth that was not in the previous shot. (00:40:40)
Continuity mistake: Near the end of the film, as Aaron/Roy reveals his deception to Martin, notice the jail cell 'door' behind Martin. During the majority of the scene the door is closed, but in a couple of shots it is wide open.
Continuity mistake: At one point, Claire Dane's friend announces her plan to pick up guys on the beach by wearing the skimpy blue swimsuit she models. She then says that she bought one for Claire Dane, and pulls another g-string from her shopping bag. The suit is red, yet when Claire Danes is strolling down the beach in it, it is now a dark plaid.
Continuity mistake: There is a scene where Al Pacino is getting dressed for a dinner while talking to one of his aids. He addresses the aide and is seen in a dressing gown with his hair all tousled and untidy. He turns away from the camera, looks in the mirror, and turns back to camera. Miraculously his hair is now tidy as can be, with not a hair out of place!
Continuity mistake: When Basquiat is painting on a sign with a horse on it, he puts a white line through the horse. When Warhol has a look at it, the stripe no longer covers the horse.
Continuity mistake: When Shale gets in the fight in the library, he takes a round to the upper left chest. When he takes the shirt off to reveal the vest there's no bullet and no damage to the vest.
Continuity mistake: When Rose suggests to Greg that they could have sex tonight he is so shocked that he spits his coffee across the breakfast table, but if you look closely it's only water. (01:14:10)