Continuity mistake: Swagger was shot in the upper right chest and lower right abdomen, making him limp badly. When the teacher stitches him up, there is only the bullet hole in his chest. He also miraculously recovers immediately.
Continuity mistake: When Miss Gruwell and the students are discussing junior year for the first time, she has her back turned and she is writing on the board. When she writes, "First Person Na", she turns around before finishing the last word, but in the next shot, "First Person Narrative" is written on the board.
Continuity mistake: Nick's character is eating an ice cream in the police car and eats the whole thing. When the shot changes to Simon's side, he's still got about half of it left.
Continuity mistake: After they almost get run over by the man on the motorcycle, Jack receives a phone call. He answers with his left hand on his left ear, then it cuts and it's in his right hand and his right ear. It switches back in the next cut.
Continuity mistake: When John and Mai are fighting at the power plant, John tosses Mai up against a glass board. Her half pony tail has come undone and her hair is a big mess. You see Mai from the back as she gets up to come after John. Her hair is now neatly combed and back in a half pony tail. But as she begins to fight, her hair is once again undone and messy. (01:06:45)
Continuity mistake: When Nancy defuses the bomb, leaps into the air and falls down, her head is rested on her arm when she is lying on the floor (in the first scene). In the next scene, her hands are both together and her head is on the ground. (00:50:50)
Continuity mistake: While Sweeney is upstairs with Pirelli, Mrs. Lovett gives Toby a meatpie downstairs. On a closeup, half the pie is gone, but when the shot widens right after, only a couple nibbles are gone from the cake.
Continuity mistake: The blood stain on Riggs' white shirt around the neck has blood under the collar, then at the end it is over the collar and has increased in amount.
Continuity mistake: In the scene where Dakota is having sex with Aubrey's boyfriend, it specifically shows that her bra is off. Once they finish, and she is getting off of him, she is covering her chest with the sheet. When she does this, her side isn't covered and you can that she is now wearing a black bra.
Continuity mistake: In the railway station where 47 is being followed by the FSB, Interpol and the older agent, you see the older agent running down the ramp to platform 9 after 47. His jacket is flying up in the back, and there is no weapon visible. When he stops running, he reaches behind him into the waistband and produces a handgun with a silencer.
Continuity mistake: The "Power Play" scene when Eric and Hanssen are in the car after a cancelled meeting (13). With Eric's line, "There's construction on E Street," the Kennedy Center appears behind his head, but in the next shot of him ("Sir, I'm SSG.,") the Kennedy Center shows up again, this time farther ahead of the car. (01:05:55)
Continuity mistake: During the complete car-bomb chase sequence towards the end of the film, Michael Clayton's car is shown in one shot without its lights on. All the surrounding shots in the scene have both cars with their lights on. This is also a slightly revealing error because it shows that they actually filmed these sequences during the day using neutral density filters. (01:41:15)
Continuity mistake: In the scene where Randy is playing table tennis on the stage at the restaurant, just after he has finished hitting the ball blindfolded and says, "Thank you", you can see a man in the background getting up. The shot then switches to the boy with the man in the background still sitting. The shot then switches back to Randy and the man is getting up again.
Continuity mistake: In the scene outside the hospital, after Nick Poole has been shot, Remy Bressant picks up the bottle of liquor, which was capped by Patrick Kenzie and drinks straight from the bottle. The bottle has mysteriously uncapped itself.
Continuity mistake: At the end, when the church doors open, the door on the right opens all the way in the first shot then begins to slowly close back. It is then wide open in the following shot from the other side.
Continuity mistake: After Evans was shot near the end of the movie, Ben Wade jumped out of the train to look at him. If you look over Wade's shoulder, you will see that Nez (the Apache) had already arrived at his spot, and Campos (the Mexican sharpshooter) threw Wade's gun belt to Charlie Prince. After the movie cut a couple of times, Nez was shown walking up, throwing Wade's gun belt to Campos, who then threw it to Charlie Prince.
Continuity mistake: When Carter and Lee are fleeing the motorcycle thugs in George's cab, the driver's seatbelt is hanging unused. In the next shot, George is suddenly wearing his seatbelt. (00:34:55)
Continuity mistake: When Amada and Bobby are on the bed kissing and Amada gives Bobby a gift, he pulls the gold necklace out of the box and says it's beautiful, then begins kissing her without putting it on, but in the next shot, the necklace is around his neck.
Continuity mistake: When Nick and Annie are lying together in the hospital bed the camera switches between them a few times, every time Annie's head is either closer to Nick's than it was in the last shot or farther away than in the last shot.
Continuity mistake: When Nikolai is sitting in the chair in the brothel, his jacket sleeve is pulled up to his elbow. When Kiril pulls Nikolai to his feet, the sleeve is pulled all the way down. (00:34:00)