The passenger door window of Clouseau's SmartCar is down when the cyclist flies over it, but rolls back up afterward.
When Clouseau is playing "good cop/bad cop," he offers cigarettes to the prisoner, which he declines. Clouseau puts them on the desk, where they promptly disappear from the remainder of the scene.
When Clouseau is trying to park his car, he knocks off the front bumper of a cop car, and the rear bumper of a civilian car. In the shot of him coming up the steps, the cop car is completely different.
When Dreyfus is hiding behind the drapes in Clouseau's office, both Dreyfus and Clouseau pass the computer on Clouseau's desk. When Clouseau slams Dreyfus's head on the desk, he slams it where the computer was.
The crucial "zoomed section" of the picture taken at the airport is clearly from a different picture than the one we are initially shown, as evidenced e.g. by the positioning of the characters in the background.
Insp. Jacques Closeau and Chief Insp. Dreyfus mention several times that Bizu was shot in the occipital lobe. In the scene when Bizu was shot, he was facing the gunman, so he would have been shot in the forehead. The occipital lobe is in the back of the head, not in the forehead.
The French national police are under the control of the ministry of interior, not the ministry of justice.
When the guard at the Presidential Ball confronts Clouseau and Ponton and asks them to prove that they are dancers, he cocks the hammer on his pistol.The pistol he is holding is a Glock which has an internal hammer, not external.
Since Clousau is in his apartment, its wiring must be part of the regular city electricity grid used for street lighting, so when the power goes off in his apartment, it should go out all over Paris, just as it does for the Eiffel Tower and all of the other lighted landmarks and major structures in the image, yet the regular city lights clearly stay on.
Clouseau refers to a weapon found in his bag as a mace. It is, in fact, a flail, that has a spiked head like a mace. Unlike a mace, it has a chain between the head and handle. Clouseau, admittedly, would likely not know the difference.
During the opening soccer game scene, the advertisement banners in the stadium appear backwards in several shots.
The gait of extra in the blue T-Shirt "walking" in front of the hotel as Clouseau arrives for his date reveals that he was not in motion before the start of the shot.
When the trainer comes around the corner after Clouseau hears the "heel" sound being made by the trainer's shoes there is a mismatch. The trainer's shoes were regular athletic sneakers, not cleats which could have made that noise.
The stunt double who falls through the floor and lands on the hotel registration counter is clearly larger than Steve Martin, and appears to be bald.
When Clouseau falls through the bathroom floor to the reception desk below, the stuntman carrying out the stunt rolls from the desk about a meter to the right of where Clouseau stands up.
The camera is briefly reflected on the back of Clouseau's car as it drives off with Dreyfus' stuck on it.
Gluant is revealed to have been murdered by a character in close proximity to him. Strangely, none of the security cameras, nearby soccer players, or any of the thousands of game spectators seem to notice who killed him.
In the beginning of the film, a mike boom is visible above the actor's head as he sits at his desk.
The opening scene depicts a soccer match between France and China. However, none of the actual soccer players appear Chinese.
British actor Jason Statham is noticeably miscast as French soccer coach, Yves Gluant, as his features are far too Anglo-Saxon for the role.