Continuity mistake: Near the end of the movie, Lucinda is severely injured in her leg, and has to hobble to walk. In the last scene (a short time later) as she approaches her home, she is walking with no problem, and has her arm in a sling.
Continuity mistake: When Leona picks up her hand mirror, her medicine tray is positioned directly in front of her on her bed. When she puts the hand mirror down in the next shot, the medicine tray is pushed about a foot away from her bed.
Continuity mistake: When Montgomery Clift puts the boy into his jeep, the jeep has the standard seats. When he arrives at his house with the boy, the jeep has custom seats. The seats change again later in the movie also.
Revealing mistake: When Oliver, Artful Dodger and Charlie Bates are running away from the crowd after they pick pocket at the book store, they run through an alley. When they do that Charlie's elbow lays against a brick wall and it wobbles.