Blooper

Beforing entering the building where the meeting with the "China Men" was to take place, Claire's hair is parted to the left. In the elevator it's parted to the right. When walking down the hallway after exiting the elevator, it is again parted to the left.

During the car chase with the three Range Rovers the front and rear lettering on the vehicles intermittently appears and disappears.

Eugene claims to have lost his license after a disastrous surgery ten months previously, but it typically takes years for a physician's license to be revoked. There is some variation by state, but even a doctor who has substance abuse issues and clear malpractice suits against them is not immediately banned from practicing medicine. It typically takes multiple incidents over a long period of time to lose licensure. What would have been far more likely is that his state licensing board would have put him on a sort of probation where he can continue to practice but has to go through rehab and drug testing.

After the shoot out, when the scene is being investigated, you can see one of the "corpses" take a deep breath.

Dance music is mixed in too quietly during a club scene; you can clearly hear the actors' feet shuffling on the floor, yet they're all shouting at each other.