Continuity mistake: When Smith and Connor arrive at the Nakamoto tower and are exiting the elevator on the 46 th floor, you can see in several shots that Smith's suit is wet on the shoulders. However as he was going up the elevator the suit wasn't wet at all and even during the whole scene in the 46th floor, the suit changes from wet to dry as angles change.
Continuity mistake: In the hotel scene where Darby calls Gavin to give him the instructions to meet her the next day, he eats one of the chocolates on his pillow and throws it down. They show a close up of the chocolates. After Khamel murders Gavin, he walks to the bed, pulls the recording device and eats one of the chocolates. They are now in a different spot on the bed. (00:59:55 - 01:00:25)Luna Negra
Continuity mistake: In the scene where Gard telepathically fights an alien, you see his nose bleeding. Then the alien explodes, and in the next shot of Gard's face, the blood under his nose has vanished, only to return in the next shot of his face.