Insomnia is a 2002 American thriller movie directed by Christopher Nolan and written by Hillary Seitz. A remake of the 1997 Norwegian movie of the same name, it stars Al Pacino, Robin Williams, Hilary Swank, Maura Tierney, Martin Donovan, Nicky Katt, and Paul Dooley. The movie revolves around two Los Angeles homicide detectives investigating a murder in Nightmute, Alaska.