Insomnia (2002)

Synopsis: Two Los Angeles homicide detectives are dispatched to a northern town where the sun doesn't set to investigate the methodical murder of a local teen.

Director: Christopher Nolan

Writers: Hillary Seitz (screenplay), Nikolaj Frobenius

Stars: Al Pacino, Robin Williams, Hilary Swank

(http://www.imdb.com/title/tt0278504/)