Insomnia is a Psychological Thriller film directed by Christopher Nolan (Memento, The Dark Knight) and starring Al Pacino (Scarface), Robin Williams (One Hour Photo), and Hilary Swank (Million Dollar Baby). The American film, released by Warner Brothers in 2002, is a remake of a 1997 Norwegian film of the same name. The remake was a financial success both in the U.S. and abroad, and it received high praise from critics. Not to be confused with the Stephen King novel Insomnia, or the gaming/philosophy website, or the Legend of Zelda fanfic Insomnia.