Insomnia is a 2002 American neo-noir psychological thriller film directed by Christopher Nolan and written by Hillary Seitz; it is the only film directed by Nolan that he is not credited with writing. A remake of the 1997 Norwegian film, it stars Al Pacino, Robin Williams, and Hilary Swank, with Maura Tierney, Martin Donovan, Nicky Katt, and Paul Dooley in supporting roles. Insomnia 2002 R Thriller Sent to an Alaskan town to help solve a murder, a sleep-deprived LA detective starts to unravel as he engages in a cat-and-mouse game with a wily killer. Two Los Angeles homicide detectives are dispatched to a northern town where the sun doesn't set to inv... Pacino plays a cop who kills his partner in Alaska and faces a moral dilemma. Williams is the killer who frames him. Ebert praises the psychological suspense and the contrast between the two actors.