As a follow up to last year’s blockbuster Batman Begins, Christopher Nolan is set to direct Warner Bros. Pictures’ The Dark Knight, written by Jonathan Nolan, based on a story by Christopher Nolan and David Goyer. The film will be produced by Emma Thomas, Charles Roven and Christopher Nolan. Additionally, Christian Bale will resume his role as Bruce Wayne and Academy Award nominee Heath Ledger has been cast as The Joker. The announcements were made today by Jeff Robinov, President of Production, Warner Bros. Pictures. Christopher Nolan revamped the Batman franchise in 2005 with the immensely successful Batman Begins, starring Christian Bale in the title role, which chronicled the early years of the superhero. Nolan first garnered attention from critics and fans in 2000 with the groundbreaking drama Memento, which he wrote and directed. He went on to direct the thriller Insomnia, starring Al Pacino and Robin Williams, and recently wrapped production on The Prestige, with Hugh Jackman and Bale. Bale was most recently seen in the ensemble cast of Terrence Malick’s The New World. His other credits include Little Women, Portrait of a Lady, Metroland, American Psycho, Laurel Canyon and Steven Spielberg’s Empire of the Sun, which was his first starring role. Ledger most recently earned Oscar, Golden Globe, BAFTA and SAG Award nominations and won the New York Film Critics Circle Award for Best Actor for his portrayal of Ennis Del Mar in the award-winning drama Brokeback Mountain …