City of Ember is a 2008 American science fiction fantasy film based on the 2003 novel The City of Ember by Jeanne DuPrau. It was produced by Walden Media, Playtone, Seth Hanchett, Gary Goetzman, Tom Hanks and Steven Shareshian, directed by Gil Kenan, distributed by 20th Century Fox, written by Caroline Thompson with music by Andrew Lockington and stars Saoirse Ronan, Harry Treadaway, Bill Murray, Mackenzie Crook, Martin Landau, Mary Kay Place, Toby Jones and Tim Robbins. It was theatrically released in October 10, 2008 by 20th Century Fox, just two months after the release of the final book in the series; The Diamond of Darkhold. The film received mixed reviews from critics and was a box office flop. The DVD was released on January 20, 2009 in a DVD-18 format with the widescreen version of the film on one side, and the full screen version on the other. It was released in 2009 on Blu-ray Disc in the United Kingdom, Australia, Germany, and France, all coded for Region B playback only, although the German release will also play on Region A players. No United States Blu-ray release has been announced, but a Region A Blu-ray was released in Hong Kong in 2010.