Continuity mistake: When Robert finds Celine after she has been kidnapped by O'Reilly and Jackson we see several times that O'Reilly has bled from her left nostril and the blood has run down onto her bottom lip. After she gets shot, the blood stops at her top lip. (01:22:30 - 01:23:50)
Continuity mistake: Between shots Grace goes from walking backwards to forwards, when meeting Bobby for the second time.
Continuity mistake: In the scene where Vincent is meeting the thug in the pool hall to trade money in exchange for Emily, the thug makes a move for the money bag, and Vincent grabs his arm. At first, he grabs his right arm, then it cuts to another angle and he actually has his left arm.
Continuity mistake: When Mr. Eddie goes back to his Mercedes after beating up the "tailgate guy", the left side of the bumper on the Mercedes is damaged. When they drive back into the garage, we see the left side of the bumper is fine.
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: When Dante is lying back in the bathtub, watch as the pillow behind his head keeps disappearing and reappearing in the shot.
Continuity mistake: When Joe and Gus enter the diner towards the start of the film we see the waitress come over to see if they are ready to order. The camera switches from looking at Gus and then to Joe. When the camera is on Joe, we see the guy sitting with his back to Joe turns his head round to the left to look at Joe and Gus. Then when the camera changes angle to look at Gus and Joe from in front of this guy, his head is twisting back round from the other direction (right to left).
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: 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: When Danielle is in the evening gown section in the Miss Madison competition, her dress changes from sky blue to sparkly dark blue after the shot cuts to her mother.
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: In the sequence with Terence Hill and Marvin Hagler giving chase to the bad guys, when the baddies break the guard-rail and supposedly drop one level, the lights of the chasing car are still fully visible through the back window before the good guys take the same dive from the highway ramp.
Continuity mistake: The jurors haven't expressed their first vote yet, they're just getting seated. One of them says "Let's get the show on the road." The foreman's right arm is bent as he holds the pen. He asks the juror by the window to come and sit; in this shot though his arm is down and straight. (00:07:25)
Continuity mistake: There's Fall foliage at the beginning of the movie and when Bokky [Bill Paxton] and Pat [Mark Wahlberg] are leaving the camp grounds but, after they drive away, the foliage is Summer-like (and varies thereafter). (00:19:50)
Continuity mistake: When Bill Murray is talking to the dead guy in the chair, the dead guy's eyes are open. But from a side shot, they are closed. (00:33:00)