The film-makers were able to use a piece of music by Moby because he released over 100 tracks of mostly unreleased material in 2010 for use by independent film-makers.
One of the biggest production problems was trying to find children to appear in the film. Some parents were put off by the film's creepy plot about a creature that kills children.
The line "...working the night shift" is a directorial in-joke. Night Shift is the title of the short story collection that this short story appeared in.
The film's continuity errors in the flashback were done on purpose to give the impression that Billings is an unreliable narrator.