Continuity mistake: When Uncle Billy sees Potter in the bank, he walks to the teller window and there's no line, but a second later there's a line of a dozen or more people behind him.
Continuity mistake: Devlin walks in Huberman's place, and she is lying on the couch with a glass of milk right in front of her eyes. The angle of the camera is skewed to show her POV, but the glass of milk has vanished.