In Lydia's house she begins to raise her beer to her mouth in one shot, but in the next shot it's back by her side.
In Susan's office, her pearl necklace changes length.
At the beginning of the movie in the student film about the courtroom drama, the Judge in the close up shots is Roddy McDowall but in the long shots it's a different actor that looks nothing like McDowall.
A pointed piece of equipment moves up and out of frame as Lydia is talking to Nick in her house.