Continuity mistake: The bartender pours two beers that have no foam on the top. When the beers are set on the table they have about one inch of foam. When the camera angle changes there is no foam. (01:18:45)
Continuity mistake: For a second time in the movie, someone buzzes June on the intercom. She tries to overcome her fears and get out of the apartment, but can't. She shuts the door, leans with the left hand on the doorframe by the chain, and lowers her arm. In the next shot, Naomi Watts is breathing deeply still with her hand by the chain. (00:06:05)
Continuity mistake: After the cartoon segment, Deni entertains some playful banter with his girlfriend and takes off, putting a shirt on while he runs. When the neighbour asks him "Late again?", the guitar strap is on opposite sides of the instrument as the editing switches to a reverse shot. (00:06:40)
Continuity mistake: At the start of the film, a man is giving a tour of a building under reconstruction to some potential buyers. One shot, as he's telling them that this sits on a 14-acre lot, there are just 3 people as they walk through a doorway. The film jump cuts to a closer angle, and suddenly a 4th person appears in front of them from thin air. (00:02:34)
Continuity mistake: The protagonist woke up in the lobby, where he went to wait for the return of his daughter and wife. He goes to the receptionist, talks to her, mentions the doctor. She says she'll have the nurse station pass a message. Sam Worthington in the reaction shot has taken both hands off the counter. Cut, and he is waiting and staring at the nurse, but with the right hand on the counter. (00:34:25)
Continuity mistake: After the intro, the protagonist receives a phone call from her sister. When she turns around to check out of the TV screen, one of her fellow swimmers, with quite characteristic purple hair, is immediately seen sitting down. Back to the view from inside the locker, the same aubergine-haired girl is coming from the lockers to the benches, to go sit. (00:03:45)
Continuity mistake: After Wesley has intimidated the snot bully, he comes back home and finds the police. Sitting at the table, his mom holds his arm and says "Wesley, Mr. Chambers asked you a question." Mary Elizabeth Winstead has her right arm on the table, close to her body. Change of angle and she is holding the coffee mug instead. (00:45:10)
Continuity mistake: Katie has been grounded, and like most teenagers decides to just drink up a lot of booze. She's sitting on the bedroom floor with her bestie and passes her the bottle of vodka: her friend takes it with her left hand and drinks, but in the following shot she's finishing the gulp by holding it in her right hand instead.
Continuity mistake: When the guy leaves the motel, he only grabs his jacket, but when he's outside, he has a helmet in his hand. (01:14:55)
Continuity mistake: When the girls bring a birthday cake into Judy's room at the first time, her bed sheet is patterned with what looks like flowers but when Judy is fast asleep the next time, the sheets are plain white. (00:52:30 - 01:15:30)
Continuity mistake: Mulligan hands Gabriel a SIM, and later on it becomes an SD memory card. (01:36:00 - 01:37:27)
Continuity mistake: When everyone is leaving the basketball game near the beginning, watch the crowds around the main characters as they walk down the hallway. Sometimes the extras aren't consistent from show to shot. Ex. At one point a black couple brushes past Ryan - the man is on his right and the woman is on his left. When the shot cuts to the opposite angle, suddenly the man is to Ryan's left and the woman is totally missing. This happens a few times throughout the scene.
Continuity mistake: In the police station, a guard comes out of the toilet and fumbles with his zip, the shot goes to a man on white talking in his phone. When he comes out of his office the man is still fumbling with his zip again. (01:01:03)