City of Ember is a 2008 science fiction fantasy film based on the 2003 novel of the same name by Jeanne DuPrau. It was directed by Gil Kenan from a screenplay by Caroline Thompson, and stars Saoirse Ronan, Harry Treadaway, Bill Murray, Mackenzie Crook, Martin Landau and Tim Robbins. It was released in October 2008, just two months after the release of the final "Book of Ember", The Diamond of Darkhold.