Revealing mistake: In many scenes, particularly the dance scene in the bar, Michael's wings disappear and/or reappear. If you look closely throughout the movie, his wings are often completely gone.
Continuity mistake: In the first scene where we see David Helfgott, there's a mark on his ring finger, probably made by a wedding ring. In that scene David isn't married.
Continuity mistake: When the former owner of the studio is asking for money, the boom mic is clearly visible throughout the entire scene above the heads of the two actors.
Factual error: After Hardy dies and they're going through his possessions, a football scarf is pulled from his kit bag. The scarf has a Sunderland AFC badge. The film is set in World War II. The badge on the scarf was introduced in the 1970s.
Continuity mistake: When Bowen first catches up to Draco under the waterfall, he is completely soaked as he stands there and talks to him. Draco takes off flying and Bowen goes after him on his horse and is now completely dry, hair and all.
Continuity mistake: Before Bonnie's operation to remove her scars they can be seen across her back and down one arm, yet in at least two scenes before the operation she is seen wearing sleeveless or very short sleeved tops with no scars visible.
Continuity mistake: When we first see Daniel in the taxi and the guy jumps in the back, when Daniel removes the steering wheel from the car the armrest has all four electric window switches present but when he changes the wheel whilst driving with Emilien in the back for the first time, the armrest only has one switch meaning a right hand drive modified car was used in motion shots. Hard to spot but its there.
Continuity mistake: Liam Neeson pulls his jeep over on the side of the road, he and his son get out. Blinker is on. They walk around and talk for a little bit, and all the sudden the blinker's off.
Factual error: When The Oneders are recording their song with Uncle Bob, there is an In-N-Out cup sitting by the recording equipment. There are no In-N-Out restaurants in PA.
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)
Other mistake: Carolyn Stilton shoots Blondie O'Hara in the head and is lying dead over her dead husband. Just before the final scene starts she begins to open her eye.
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.
Factual error: When the boys have a night on the town with a bunch of eager Dutch girls, the girls somehow forget their native tongue and start to chatter in Danish.
Revealing mistake: When Tisean has just died and Stoney is getting out the car, Tisean is still breathing.
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: 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: 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.