Character mistake: After the Congressman is killed, the killer dumps pills on the floor of the car. Then the car is then rolled into the river. At about 15:07 the news reporter mentions that the Congressman's heart pills were found in his lap. This would be impossible because the pills and bottle would float and the pills would dissolve in the water. (00:03:45 - 00:15:05)
Character mistake: The bank robbers send out a hostage and put a drawer around his neck with a note. The drawer is bugged and the bank robbers can monitor the police. The police just leave the drawer lying around on the table for half of the movie inside their mobile headquarters. This drawer should be in a forensic laboratory being checked for fingerprints and similar.
Character mistake: In the Western scenes, when the characters are wearing spurs, they have the spur straps buckled on the wrong side (inside) of the foot. Spur strap buckles are supposed to be on the outside, not the inside, of the foot. Since it's wrong in every scene, it might be a comment on the TV show itself having low attention to detail.
Character mistake: Marcello tells the girl to get his niece an ice cream, he then, when speaking to Frances, refers to the little girl as "my nephew."
Character mistake: Candy's full name is Candace Washington, which is referred to in the movie, yet when she is released early from prison, the correction officer calls her Candace Collins.
Character mistake: Before the final attack in the village, we can see a wall with an advertising for Byrrh, an aperitif drink made from a blend of wines. The ad reads: "Byrrh, l'ami de l'estomach, " which basically means: "Byrrh, stomach's friend." In French, the correct spelling is "estomac." not "estomach." This is quite a big mistake since the ad and the building are three or four stories high.
Character mistake: In the scene when Dave is checking out the failed transmitter at the radio station, Dave says "the bad news is your return loss - way too high". This is a mistake, as the movie makers got confused between the terms "return loss" and "insertion loss". Dave should have correctly said either "your return loss - way too low" or "your insertion loss - way too high".
Character mistake: At the end, when Mitch tells Agent Tarrance that the government can convict the law firm on mail fraud and racketeering, he says he got the idea while he was studying for the bar exam. He actually got the idea from a client earlier in the film when the client was complaining about being over-billed and tells Mitch that every time a bill is mailed through USPS, the firm is committing mail fraud which is a federal offense, punishable by fines and prison.
Suggested correction: This is not wholly correct. Mulholland (the client) planted the seed in Mitch's head, but Mitch realised instantly that it was a federal offense, presumably because he had studied it.
Character mistake: In the scene where Detective Fanning and the other cops are investigating the first murder, one cop tosses a shell casing in a baggie out the window to Fanning. The cop then remarks, "You can still smell the cordite." This is incorrect because cordite has not been used as cartridge propellant since approximately the end of World War II.
Character mistake: When LT. Col. Robert Neville's wife fails the eye scan and he's ordering the soldiers to scan her again, the soldier that escorts them to the scan point, and later to the helicopter mistakenly uses Will Smith's real last name. You can faintly here him identifying LT. Col. Robert Neville to another soldier as LT. Col. Robert Smith.
Character mistake: Dr. Stonehill posts a sign that says "KEEP YOUR DAMN FOOD AND DRINK OUT OF MY REFRIDGERATOR !" Refrigerator is spelled wrong, "REFRIDGERATOR" as if the word is "Fridge" which is isn't. (00:52:00)
Character mistake: When Mrs. Doubtfire gets her own TV show at the end, she asks the puppet if he knows anything about England. The reply is, "I only know that it's an island", which is not true. Britain is an island, not England.
Character mistake: When Buster gets hit in the arm the first time, he is busy tying the kerchief below the wound. (02:21:05)
Character mistake: At the end of the film, the newscaster comments that the lone assassin has been killed, but the ticker beneath him reads "Lone assassin arrested."
Character mistake: At the end, Shane calls Joey "Jimmy" twice, then he calls him Joey correctly.
Character mistake: In the scene before the New Haven concert, when Jim is talking with the reporter/ love interest about his school history, she comments that Jim attended the University of Florida. In actuality, Jim attended Florida State University.
Character mistake: In the scene where Kris's knowledge is being tested, he incorrectly gives the vice president of President John Quincy Adams. Kris states John Quincy Adams' vice president was Daniel D. Thompkins. That's wrong. John Quincy Adams' vice president was John C. Calhoun. Daniel D. Thompkins was the vice president under President James Monroe.
Character mistake: You'd think prison guards on Death Row would have known a little more about safe restraints, the way they bind and gag Percy could eventually kill him. They stuff a handkerchief all the way into his mouth, then tape his mouth closed. The gag reflex could suck the handkerchief into his windpipe and suffocate him in about three or four minutes. Even if he might be able to find away around the danger of suffocation the fact remains that no trained, experienced prison guard is ever going to restrain someone in that way.
Suggested correction: Not everyone even has a gag reflex, and it is easy, though not comfortable to push the handkerchief forward into the mouth with the tongue. You can see Percy breathing through his nose, so he's not running out of air. The other guards had no intention of leaving him in the cell for a long time, only long enough to teach him a lesson.
It doesn't matter what he "might" be able to do, or even if he could push the handkerchief forward. That's not the mistake. A trained, experienced prison guard would not restrain someone like that. Never.
Again, what might or might not have happened is irrelevant. No skilled, trained, experienced prison guard would apply a gag in this way.
Character mistake: In the scene where Billy is called to the crime scene of Andrews' murder, Andrews' body is shown with a wound on his chest. Later in the movie though, Billy is questioning Todd Lancaster. Todd Lancaster says that he saw Andrews get shot in the head. (00:52:00 - 01:25:00)
Character mistake: During the fight in the double deuce where Wesley brings Jimmy in to take all the bouncers on, Jimmy takes on Wade, and Dalton comes to his rescue. Afterwards Wade says to Dalton 'same town new story', when in fact the line should have been, 'new town same story'.
Suggested correction: Wade said it that way on purpose. He was alluding to the idea that there is something different about this town's situation, compared with all the other towns where it was the same old situation.