Revealing mistake: When Jan Clayton picks up the baby to go outside and torch the wagon, she swings the baby around carelessly, revealing the shiny (and unsettling) head of an old prop baby doll. (00:37:15)
Continuity mistake: Jan Clayton steps out of the wagon, hands the baby to her daughter, then she lights a broom, but right when the girl says "What are you doing?!", she starts setting fire to the wrong wagon, and the mistake is instantly corrected in the next 2 scenes. (00:40:00)