Continuity mistake: During the gun battle Kiefer's car gets shot up by the police but during the entire drive afterwards, the car shows no damage.
Continuity mistake: At one point near the beginning when they're collecting the crew, Robert Carlyle is in the car smoking. He lifts the cigarette to his face and he's not wearing a glove. In the next shot he smokes again and he's wearing gloves.
Continuity mistake: In the scene where Dunn is collecting gear from the surplus store. The cops show up. When it shows a close-up of the cops in front of the cruiser the wipers are on, but then it goes to a distant shot and they're not on.
Continuity mistake: When Richard Gere's attorney tries to get into the murder scene apartment, the guard says to her (in subtitles) "if you mess up the murder scence [sic] you will be in some trouble". There is a typo in the subtitles.
Continuity mistake: In the last scene, Max's bathing suit changes color, from dark blue to light tan, back to dark blue.
Continuity mistake: In the end when the Kothoga is on fire and chasing Margo, it catches up to her in moments. However, everytime it dramatically changes angles, the Kothoga appears a lot futher away than it was previously, but soon after catching up once again. Noting her progress in the room, this situation is not simply replaying the same scene from different angles. Plus when she gets to the water tank, she has plenty of time to spare to hit a lever, climb the device, and jump in before the Kothoga looms overhead.
Continuity mistake: In the scene where the cop car is over taking the runaway car you can see the front bumper of the runaway car and it's in perfect condition however earlier you see them take it off. in the next shot its back to normal.
Continuity mistake: When Joe realises that Jimmy isn't turning up at the park he goes to a pay phone, puts the red notebook down with the spine faceing to the right and starting phoning the FBI. In the next shot the the notebook has rotated 90 degrees with the spine now facing the wall. (01:06:45)
Revealing mistake: When the crowd are booing the hecklers, in a wide shot, most of the people are drawn without faces. This is even more noticeable when the crowd turn to Mima after she shouts at them. There is also very little detail is put into the animation of their hands, they come off as stumps attached to their arms, with no fingers. (00:06:26)
Factual error: In early scenes, Lieutenant Commander Ramirez is wearing insignia for Lieutenant, not Lieutenant Commander. Later scenes have him wearing the correct insignia.
Continuity mistake: Two agents show up at Professor Wahl's door. Marlan Clark introduces himself taking his sunglasses off with one hand, which becomes two in the reverse shot.
Continuity mistake: In the scene where the protagonist is first broken out of jail, at the end of the chase scene with the last two police cars. When they hit the ramp and crash, it is two earlyish model Crown Vics. Before they crash, it is one early model Vic, and one (what was a) late model Crown Vic in 1996.
Continuity mistake: After Crocker discovers that Gregory is in his house, she tries to hand him the key to the basement at the Hotel. In one shot, when facing Crocker, the handle of the key is facing him, but when the camera is facing Gregory, the key's handle is is facing her.