Revealing mistake: How on Earth can Selby get those skin tight T-shirts over that huge cast on her arm? They cannot possibly stretch any more than they already are - look at the scene where she and Eileen are checking the mail. There is no way that sleeve would fit over the cast without ripping! It is well beyond the capacity of that tight T-shirt to stretch to that extent! Obviously Christina Ricci had the cast fitted after she was in costume.
Revealing mistake: When Melanie, Tracy, Evie and Brady are in town, people can be seen stopping to watch the actors/look at the camera. (00:53:35)
Revealing mistake: When Griet has her left ear pierced in order to wear the earring for the portrait, the cloth covering her hair and ears stops just short of covering a well-healed hole in her already pierced right ear.
Revealing mistake: Why does the railroad station look so old? It should be almost new at the time of the film.