Continuity mistake: When they have just poisoned Charles Durning, Mark the painter falls to the floor pretending to be sick. During this scene the stopper in one of the bottles is out, then it's back in, then out and so on.
Continuity mistake: The cop shoots his six shooters nine times when he's in the attic.
Continuity mistake: In the scene at the bar where Stuart and Donny are playing pool, Donny is aiming at the red 7 ball. However, when the camera shot switches to over Donny's shoulder he is lined up with the white cue ball and knocks the red seven in.
Continuity mistake: When Omri receives his new skateboard as a birthday present the deck is red with two white stripes. For the rest of the film it is red with blue stripes.
Factual error: The equation written on the board does not come out to be "11", in fact, it's not really solvable because it doesn't have 2 sides, just a "?" on one side.
Continuity mistake: When Swayze gives the stuttering guy the book, it is a paperback. But later when he's reading it, it's a hardback. (01:07:05 - 01:09:00)
Continuity mistake: In a scene taking place in the nursing home where Antonio Banderas works, they are celebrating a resident's birthday. There's a record playing and everybody's shown clapping and smiling, enjoying the tune. At one point, Sarah Jessica Parker and Antonio Banderas are exchanging dialogue and the music stops. However, the resident in the backgroud hasn't noticed - she's still clapping along.
Continuity mistake: When they call the sausage company in Omaha, it is busy. When they show the phone in a couple shots later, it has more that one line and shouldn't have been busy.
Continuity mistake: Young Brian plays with his Star Trek figures on the carpet. When Fluke comes in, between shots the position of the other figures on the carpet has changed.
Continuity mistake: Towards the end, when Frank is about to kill the tied up Pauly Shore and Tia Carrera, he has a plastic glove on when his hand is raising the knife. When he drops his hand to his side and you get a different camera angle, he is not wearing the glove anymore.
Continuity mistake: When Samuel and Rebecca wake up in bed at Sean's house, they pull back the sheets to find Gail and Marty's little girl hidden under the sheets. When they pull them back she is seen facing the headboard and she screams when they do. The camera angle changes to a side view and as her parents walk into the room, she is seen now facing the door.
Continuity mistake: After Wallace gives the woman the balls of yarn, the balls change position between shots.
Continuity mistake: In the B&W newsclip scenes, Mr. Hopkins is wearing a prosthesis to make his nose longer, a la Nixon. This appliance was apparently jettisoned for the main shoot.
Continuity mistake: During the spectacular car chase David Caruso's car is speeding through the streets jumping 10'-15' feet in the air. On one of the landings in a wide shot, you can see that an air bag deploys, but in the next close up of him in the car, it's not there.
Factual error: At the ball, in 1957, they play Eddie Cochran's "C'Mon Everybody" which wasn't written until 1958.
Revealing mistake: Brayker shoots The Collector through the eye with an arrow just after he's collected the key from Roach. You can see the section of the arrow shaft that sticks out the back of The Collector's head bend as his head hits the floor after he falls over the upstairs railing and crashes through the coffee table.
Visible crew/equipment: As Sean Connery is by the stairs in Ed Harris' parents' house, a camera is visible moving into the room to the left of Sean Connery. (01:27:15)
Continuity mistake: When Greg Kinnear is punching Harrison Ford he hits Ford´s shoulder, but Harrison Ford is taking his hand up to his face like he was being hit there.
Revealing mistake: After Richard has accepted that he will be king, he appears before a large assembly. Several of the soldiers standing by the walls are obviously plastic dummies. They have unnaturally smooth and blank facial features, and when you can see their hands, they are not grasping their guns, but merely holding their hands stiffly out with the gun between them.
Continuity mistake: In the tournament at the end, the other people on horses that are competing don't even try to knock them off their horses.