Continuity mistake: When the crew pull the hook out of the man's hand, he puts a spoon in his mouth - its facing right, but when he's done it's facing left. (00:55:15)
Continuity mistake: When the Wiccan girl and the guy writing the book were sitting at the table the guy knocks down the cup when he hits the table. In the next shot the cup is up again.
Continuity mistake: Chris Rock and Morgan Freeman are outside of Rosa's apartment, looking in the trunk of Betty's car. The cut-out of Dr. David Ravell pops out. Chris Rock throws the cut-out on the ground and stomps on it. Chris Rock has on white tennis shoes. Later, when Chris and Morgan are inside Rosa's apartment, Chris Rock is wearing black tennis shoes when he is with the sheriff, taking his gun and handcuffs.
Continuity mistake: When "B" accidentally pulls the leg off of the dead dog, the position of it in her hands changes between cuts.
Revealing mistake: A policeman fires during the robbery even though the slide on his automatic is visibly locked back and open.
Continuity mistake: When we see the police officer checking the hit counter on an adult web site, the hit counter goes down from 1,739,986 to 1,739,944 a few seconds later.
Plot hole: Towards the end of the movie when Michael Douglas makes his speech at the White House, he is able to quietly walk out of the gates with no reporters anywhere trying to chase him down. Totally unrealistic (especially considering what had just happened). (00:03:03 - 02:13:40)
Deliberate mistake: You might be wondering where Terry suddenly comes up with Jolly Jack all of the sudden after escaping the lab. In the commentary, they say that the Joker, in his transmission to Terry in the lab, was supposed to be eating out of a candy jar with "Jolly Jack" on it, but couldn't have it due to time constraints.
Continuity mistake: Luke McNamara is handcuffed behind his back at the police station but as he is loaded in to the ambulance he mysteriously is cuffed in front. [The handcuffs inside are normal police issue handcuffs and outside as he's getting into the ambulance they're attached to a belt, normally used for criminals they consider dangerous.]
Revealing mistake: When Jean Reno and Vincent Cassel approach the hanging body of Jean-Pierre Cassel in the doctor's house, the hooded killer can be seen standing to the left of the screen. [Not visible on the VHS version, but on the widescreen DVD].
Continuity mistake: When Agent Connolly first finds the bomb on the ship, he is knocked over by Iris, dropping his gun. In the next scene, when they are running up the stairs, he has the gun, which he forgot to pick up.
Continuity mistake: Several times through the film the Crocodile changes size from the size of a 30 foot croc to the size of a miniature barn.
Continuity mistake: In the scene where Jody is with her boyfriend on his bed, as he holds her neck the shot changes and he is holding her shoulder. This repeats a few times.
Visible crew/equipment: When the car is sitting in the back of the trailer there is a cable visible connected to the front of the car. In the next scene the cable is gone.
Revealing mistake: When Nick has swam back to his water scooter, he climbs up and drives away and the shark comes up behind him. But look carefully behind Nick as he is climbing. The nose of the shark is visible during the whole scene, right under the surface. This proves that the shark was a dummy, waiting to come up.
Revealing mistake: In the first morgue scene the body on the table is obviously breathing.
Continuity mistake: When Gene Hackman is helping his wife zip up her dress her hair goes from hanging straight down her back, to being over her shoulder. It cuts without giving enough time to assume that she moved her hair.
Continuity mistake: After the doctor stitches and dresses his own eye, blood disappears, reappears and gets bigger and smaller through the dressing.
Continuity mistake: When Eloise goes down the staircase and Tom Tom stops her, she is clutching a book to her chest, holding it at the top. When the camera angle changes she is holding it at the side. (00:15:50)
Continuity mistake: After his conversation with Leo, Willie presses the dial/talk button on his cordless phone and the light remains on. (00:59:40)