Revealing mistake: When Julian uses a credit card to open the sliding glass door at his parents' home it's obvious that there is no latch or lock where he inserted the card when the door opens.
Less Than Zero (1987)
1 revealing mistake
Directed by: Marek Kanievska
Starring: Robert Downey Jr., James Spader, Andrew McCarthy, Jami Gertz
Continuity mistake: In the scene at the party when Blair is talking to Clay, the camera cuts away and from shot to shot, Blair's hair is slightly different, going from curly to a little less curly (wavy). Also the background lighting is slightly different as well.