When Gretchen changes direction on the boat for the second time, Margaret is knocked way over to the left by the sail. She turns around to laugh, but is shown seated on the far right.
When Margaret visits her ex-husband's home, a handkerchief appears and disappears from coat pocket throughout scene.
In the scene where Jim takes Margaret and Gretchen out on his boat, there is an establishing extreme long shot showing Gretchen romping about on the boat. In this shot, her hair is hanging down past her shoulders. In the subsequent medium and long shots in this sequence, her hair is considerably shorter.
When Margaret Elliot goes out to drive with her Oscar, in the shot from inside the car, she puts it behind the far side of the rear-view mirror. In the next shot, from outside the car, it has moved to the mirror's side nearest to her.
When they slate Margaret's screen test, she is only using a scrub brush, a washcloth, and a water bucket as props. On the immediate cut after the slate, there is now a sponge added where there had been none before.
The costume credit is "Miss Davis Gowns by Orry Kelly" rather than, as it should have been, "Davis's" and Orry-Kelly.
In the beginning when Margaret and Jim are driving in the Mercury station wagon, the rear-view mirror and the windshield glass are removed, and the wipers are forced down onto the cowl.
When Maggie goes to make her screen test, there is a pillow on the floor for her knees to rest on. When she gets up and walks away, the pillow is no longer there.
When Roy exits the kitchen, he leaves the refrigerator door open.
When Margaret goes to work in a department store, she descends an escalator and all sorts of electrical cables from the film production can be seen on the floor beneath.
When Margaret pulls up to Jim's place in her new Cadillac, lights, equipment, and crew are visible in the car's polished left side.
Late in the movie, there is a scene at the home of Harry Stone, Margaret's agent. As he is telling his wife, Phyllis, about the poor results of Margaret's screen test, the two are walking through the house. The shadow of the boom mic can be seen on the wall behind them as they are walking.
When Margaret is discussing one of her films, she mentions Ralph Bellows, who always played the "rich, stuffy second lead". However, she and Clark Spencer were the main romantic duo, which would make them the two leads. She most likely meant "second love interest".