Revealing mistake: During Quidditch tryouts, when Ron blocks the Quaffle with his head in the closeup, Ron's body disappears at the bottom of the screen below the digital editing line. (Only visible on fullscreen DVD).
Continuity mistake: When in the grocery store, the produce next to Esther keeps changing when Kate gets the phone call. (00:46:30)
Continuity mistake: In the opening 1950s school scene, the children all run up the front steps of the school. A little blonde girl wearing an orange cardigan and white dress is going up the stairs to the school building. A few seconds later, the same girl is still in the yard, heading towards the school again - from further back. (00:01:45)
Continuity mistake: At the very beginning, when Quaid has finished showering and is picking his phone, wallet, badge, keys, etc, there is a shot of his hand as it is picking up his cellphone. Cut to a wide shot of him and the objects have moved. For example, the coins have become a close cluster, his pack of cigarettes is no longer on the newspaper, and his badge has switched places with the lighter. (00:02:45)
Character mistake: While examining "Diagramma della Verita" in the Vatican archives, Langdon is careful to use a cotton glove and a pair of tongs to turn the pages. But when he returns later to search the Bernini texts for clues about the "fire" church, he turns the book pages with his bare hands. (00:36:30 - 01:04:55)
Continuity mistake: In the scene where Clouseau is having his hair shampooed, the amount of shampoo on Ponton's hands changes, and then the suds disappear. (01:07:40)
Continuity mistake: When Simone is cutting her arm off, the amount of blood on the table differs between shots. (00:04:40)
Continuity mistake: When Renée Zellweger drives up in front of her house the first time in the movie, as she shuts her car off, her window is down. When she gets out, the window is back up.
Continuity mistake: When Max is going to stab Naoko at the end of the movie, he grabs her by the hair, but in the next shot he's grabbing her by the chin. (01:18:30)