Insomnia is a 2002 American crime psychological thriller film directed by Christopher Nolan, and starring Al Pacino, Robin Williams and Hilary Swank. It tells the story of two Los Angeles homicide detectives investigating a murder in an Alaskan town. A remake of the 1997 Norwegian film of the same name, Insomnia was released on May 24, 2002, to critical acclaim and commercial success, grossing $113 million worldwide. To date, this is the only film that Nolan has directed without receiving at least a share of one of the writing credits, even though he wrote the final draft of the script.