Plot hole: The Man goes completely trigger happy shooting all the walls all around his house, trying to kill Fool, Leroy, and Roach at different points. The police come in and don't notice anything wrong. What about the bullet holes all over the place?
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Mistakes
When Alice talks to Fool in the bathroom about not speaking, hearing or seeing any evil, a tear rolls down her cheek but in the next shot it's gone. See more...
Trivia
Wes Craven was inspired to write this film after seeing a real-life news story about parents who locked their children up inside their house, never allowing them outside. See more...
The People Under the Stairs mistakes
Continuity: When the Man tells Prince to shut the fuck up, the amount of blood on his chin changes between shots.
Revealing: When the Woman is trying to attack Alice with the huge butchers knife, in one shot you can see it bend and wobble a little bit, revealing that it was fake and rubber.
The People Under the Stairs trivia
Wes Craven was inspired to write this film after seeing a real-life news story about parents who locked their children up inside their house, never allowing them outside.