Continuity mistake: The length of Edward G. Robinson's necktie rises and falls, often within the same scene.
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 Rupert gives ice cream to Brandon, they are besides a wall between the living room and the entrance of the house but the shot later, they are on the other side of it.
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: The protagonist wakes up screaming and runs away from her cabin. A conductor restrains her. During the scene, the shadows on the wall/poster and on the torso of the black helper heavily change depending on the camera angle used. (00:02:25)