The film was shot in 3 days.
The opening nightmare sequence was originally located on a deserted city street but the aging playground worked better to portray the lost youth and innocence of kidnapped children.
Billy Moon took influences from several films and television shows like 8MM, Ransom, Seven, Law & Order, Alias, and 24.
After watching I Am Legend (2007) and No Country for Old Men (2007), it was imperative that in order to create suspense, no music would be used.