When Joan appears at Peg's door holding one suitcase in her right hand, Peg grabs that suitcase and then both immediately enter the apartment leaving the second suitcase on the floor. But on the following cut, Joan now enters holding the second suitcase in her right hand.
When Joan and Lt. Cameron are on the beach, there is a rear projection screen showing beach-goers in the background. However, some shots from the background footage on the rear projection screen are used twice.