Continuity mistake: Every time the refrigerator is shown at Jill's, from the first shot when George takes an apple, to the last shot when he puts toast in the toaster, the magnets on the door change positions. (00:06:20)
Continuity mistake: When Jill is in the restaurant with Johnny, the napkin, her utensils, etc. on the table move between the different camera angles. (00:50:15)
Continuity mistake: While George and Norman are arguing, the towel in George's right hand changes position from the side shot to the front shot. (00:19:45)
Continuity mistake: When George chases Jill, she tosses the paper bag as she gets up and runs into the hallway, but in the next shot not yet in the hallway she tosses the paper bag near the doorway. Also, when George stands up the plants are seen on the right, but later when Jill walks by, the plants are positioned differently. (00:07:20)
Continuity mistake: While Felicia (Lee Grant) is in bed talking to George (Warren Beatty), who's getting dressed, she's holding a cigarette that goes from her right hand to her left hand between shots, but she didn't switch it. (00:04:35)
Continuity mistake: When George is goofing around in bed with Jill, in the wide shot her arms are hugging him around his neck and his right arm is under hers, but in the next close-up his right arm is around her neck and her arm is now under his. The mail on the bed differs in the two shots too. (00:07:25)
Continuity mistake: While at George's, the pillow behind Felicia keeps changing position depending on the camera angle. (00:03:45)
Continuity mistake: While George sits on his bed, as he and Jill are talking, the pillows, solid and color blankets change positions between the front and back shots. Then later, when she sits and puts her arm around him, that arm is positioned differently in the front and back shots too. (00:54:55)
Continuity mistake: When Felicia and Lester are in the dining room, in the wide shot she places the mirror down, but in the close-up the mirror's position has changed. (00:31:40)