This making-of features additional background on the original ideas for the film. Shyamalan discusses his initial inspiration to make the ultimate B-movie, but one that morphed into something deeper. The cast and crew discuss the character motivations, the mood of the film, shooting in and around Philadelphia, and more.

• DirectorLaurent Bouzereau
• Release7 October 2008
• Genre
  Documentary / Horror
• Duration0h 12m
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