Continuity mistake: In the beginning of the movie where Monty is looking at his old school photo, look closely at his beard. In the next scene when he's in the classroom talking to 'his old friend' his beard has a completely different shape.
Continuity mistake: In the scene where Josh Hartnett is about to break his vow in the bathroom, he opens the window and jumps out. In the shot of people looking at Jerry, the window is closed when no one touches it. (01:00:40)
Continuity mistake: When Joe is leaving the dinner party after talking to the grief counselor, he puts on his jacket and the collar of his sweater is flat underneath it. The camera cuts away and when you see him again his collar is standing up closer to his neck. Then the camera cuts away and his collar is flat under his jacket when it comes back to him again.
Continuity mistake: In the scene on the ferry, when Williams and Pacino are talking, in the shots showing Williams, Pacino is facing the center of the ferry frequently, while immediately afterward in the shots showing Pacino, he is facing Williams again.
Continuity mistake: When the pregnant Sarah watches the girls trick-or-treating Mateo there's a shot of her belly where she looks like she's almost due, but in later scenes it's much smaller, especially when she tries to keep Johnny from leaving the apartment and holds her hand against her absolutely flat belly. (00:42:40 - 00:55:00)
Continuity mistake: Amaro gets beaten up by Ruben and receives some bruises in his face. A little later, when he meets Amelia in the church, the bruises are gone. (00:57:50)
Continuity mistake: When Harry's guide is captured by the British troops, they flog him. In the very next scene his back shows no evidence of him ever being whipped.
Continuity mistake: During the ice show Smoochy gets crowned by the fairy who flies in from above. Right before he sits down at the desk to read the "Smoochy Hits #1" issue of Variety, the crown falls off and rolls away across the ice. When he's sitting at the desk, the crown is back. (01:32:51)
Continuity mistake: When Viktor is talking to Simone, sipping his Jack Daniels he sets it down and the label is pointing away from him - the next shot the label is pointing towards him.
Continuity mistake: After his arrival at Hawaii Barry calls his sister from a phone booth to ask her for Lena's hotel and phone number. From the side we see two men standing next to him, but between shots these two men get replaced by two women. (01:01:35)
Continuity mistake: Clint Eastwood is viewing the security camera tape from the store on his boat. As Graciela arrives carrying a paper bag, the scarf covering her sweater changes position at least twice.
Continuity mistake: When Spyder is arrested he is more or less naked because the cops wouldn't let him dress. Then in jail you see him and Cook talking and he's got nothing but a blanket on. However when the show a clip of him during his arrest on 'Bust TV', he has a t-shirt on.
Continuity mistake: Throughout the movie Astrid's eyebrows change colour from a light brown to a dark brown.
Continuity mistake: In the third rendition of the story of what happened at Zhao, Nameless shows that his attack could have immense precision by throwing all the additional sticks in the air along with the white one. Not only does the white stick change trajectory during the scene changes, but at the end the additional sticks all seem to fly in from a barrel just out of sight instead of falling all around Nameless' sword.
Continuity mistake: When Igby's dad breaks the shower door, he breaks it with his right arm. The next shot has him cradling a badly cut and lacerated left arm.
Continuity mistake: When Barris is in his office reading a newspaper article, his secretary tells him over the intercom to pick up line one. Keep an eye on the Variety paper laying on his desk. In the very next shot, a pencil magically appears on top of it.
Continuity mistake: In the scene where Joe Nast goes to the post office to get back the wedding invitations, Bertie invites him to come through the little window into the back to help her find them. As he crawls through he accidentally kicks the bell off the counter. However when the shot changes to the interior of the mail room, the bell is still on the counter. The DVD commentary states that this shot was done on a stage in a studio, and the former shot was an actual store. Jake Gyllenhaal admits to having purposefully tried to knock the bell off, so it seems that when the studio shot was being made this detail was forgotten, or it was shot beforehand.
Continuity mistake: Hadley is in the hospital and she is talking to Alicia. Later on in the scene Alicia goes home. Hadley's dad walks in and she makes him call Alicia to take back his promise. When he phones her it has only been like 2 minutes and Alicia is home from the hospital. How can this be.
Continuity mistake: In the scene where Winnie and Jessie are going swimming, when Winnie takes off her dress, you see that her right foot was not completely out of the dress. Then in the next shot, you see Winnie jump in without moving her dress at all, and it is far away from her on the rock.
Continuity mistake: During the final pool sequences, there's a quick glimpse of the main character's left (broken) wrist. It's normally all purple and gross looking, but in a brief shot, you can see his left hand shooting the pool cue and there is no purple swelling.