Continuity mistake: Once Jack has successfully approached Karen, he fakes to go away, only for her to ask him to wait. The street behind him is in full daylight, while it was mostly in the shadow when they crossed it a moment before. (00:04:00)
Continuity mistake: When Molly Ringwald is on the phone at the club and gets approached by the girl in orange, throughout the whole conversation the position of the phone receiver in Randy's hand is wildly inconsistent. (00:09:30 - 00:11:00)