Continuity mistake: In the "No Problem" scene, Alex lights up a cigarette while waiting for Isaach and then leaves it in the ashtray. Later on, when Isaach finally arrives, Alex offers him a cigarette and lights one for himself. The cigarette left in the ashtray disappears in the next shot.
Factual error: The final episode of "The Lucy-Desi Comedy Hour" when Lucy meets Ernie Kovacs, marks the finality for Lucy and Ricky Ricardo, and Fred and Ethel Mertz. By this time the shows weren't filmed before a live audience the way it's depicted in the movie. The producers of the show abandoned the live audience earlier than the final shows.
Continuity mistake: When Fin meets Emily in the Mill Bar, the amount of beer in his glass goes up and down without him buying a round or replenishing his glass.
Visible crew/equipment: When they unearth the cadaver, you can see in some shots that he wears a blue string. One of the men even sees it and tries to hide it subtly.
Continuity mistake: The movie is a documentary about a road trip from Seattle to Santa Barbara in chronological and geographical order. After passing Santa Cruz they were suddenly in Garberville and then Hopland, both north of San Francisco. They then resumed their trip south of Santa Cruz.
Other mistake: When Alex shoots the harpoon and the old lady is returning to her apartment, Alex puts back the harpoon on the mantle and the rope of the harpoon is neatly folded back up. He wouldn't have had the time to properly do this by the time she returned.
Continuity mistake: When John comes to get Dawn and they leave Sally's house, the Chihuahua isn't with them, but all of a sudden it is back with them on and off throughout the movie. (00:05:45)
Visible crew/equipment: When R enters the control room where Cyper is waiting and the camera moves towards Cyon, you can see the reflection of the camera in the curved glass. (01:35:20)
Continuity mistake: When Jason Lee is driving the car over the humps in the road, Julia Stiles is in the passenger seat. In the shot before they take off Jason Lee is in the driving seat, when they show the shot of the car in mid air Julia Stiles is now in the driving seat, and in the shot as the car lands they are back in the right seats.
Other mistake: Sam asks Leo if she can see his gun, then she points it at him. He laughs and says the clip is removed and that he would never have let her have a loaded gun. She shows him the clip she has stolen from his pocket, loads it into the gun, and cocks it. When she cocks it, a round comes out, meaning that there was already a round in the chamber, so he did give her a loaded gun. She only had one shot, but it was still loaded.
Continuity mistake: This is actually in a deleted scene on the DVD: Jones shoots a mountain lion at night, and it's seen to be completely dark out. The two other men go out to look at it, but when they're walking across the snow, the sky is suddenly pale blue and there's light just below the horizon. It looks like it's just before dawn or just after sunset. But when they reach the dead mountain lion, the sky is suddenly black again, and it looks like it's the middle of the night.
Factual error: The film is set in the 1950s. In the scene where Ewan McGregor and Peter Mullan are waiting for a load of coal (the morning after they discover the body), there is a close-up shot of Ewan McGregor's head and shoulders. In the background is a huge container ship, slightly out of focus. Containers were not introduced to Europe until 1966 and the ship in this film was probably built in the 1980s.
Revealing mistake: When Lex gets out of the shower after his last training session, you can see his black briefs when he towel dries himself.
Continuity mistake: In the scene at Mr Bingly's ball, where Lizzie is looking for Charlotte, she obviously notices her and starts walking towards her with her arms stretched out, palms down. In the next shot, her palms are turned upwards to take Charlotte's hands, who have hers palm down.
Continuity mistake: As John first checks in at the Baker motel, the pen on the desk shifts between shots. It's on a chain and certainly would make some noise if either character had moved it. (00:10:45)
Continuity mistake: During the coverage of a bingo game, the caller said B-8. Immediately the shot changed to a player covering N-38.
Continuity mistake: In one scene, Rabbit picks three flowers. In the next shot, Rabbit gives all of the three flowers away and still has one for himself without ever having gone back to the bush to pick one more for himself.
Factual error: At the beginning of the movie when Anthony Hopkins' character points out to the academic board the definition of "spooks" in the dictionary, it seems to be too close to the front of the dictionary to be in the S section. (00:07:10)
Factual error: Sean is tailing his victim, taking photos with an old Polaroid camera (the kind that prints instant photos). In one scene, he is sitting on a bench and takes several shots. When he shows these pictures later, some are zoomed in on the subjects, when it would not be possible to zoom with this camera. He would have had to get up and walk toward them, thus giving himself away.
Continuity mistake: When Colm Meaney and Colin Farrell have the shoot-out right at the end, the material filmed changes between then and when the director is viewing it at the end. First, Farrell shoots Meaney, then the camera goes to white and two more gun-shots go off. Then, when he is watching it later, Farrell pulls the gun from his pocket and the director shoots him straight away. Then when he rewinds it, it shows Colin Farrell pull his gun, the camera man look to the bonnett of the car where the gun is, then bring it up and shoot him.