Passage: Christian Bale as Bruce Wayne / Batman:A billionaire socialite who, after witnessing his parents' death in a mugging at age 8, travels around the world seven years before returning home to inherit his family company Wayne Enterprises whilst operating at night as a bat-masked vigilante bringing justice upon the criminal underworld of Gotham City.Bale was relatively unknown when cast. Before he was confirmed on September 11, 2003, having expressed interest in the role since Darren Aronofsky was planning his own film adaptation, Eion Bailey, Henry Cavill, Billy Crudup, Hugh Dancy, Jake Gyllenhaal, Joshua Jackson, Heath Ledger, David Boreanaz and Cillian Murphy took interest in it as well. Amy Adams served as the casting reader for the casting of Bruce Wayne / Batman in a favor to the casting director. Bale felt the previous films underused Batman's character, overplaying the villains instead. To best pose as Batman, Bale studied graphic novels and illustrations of the superhero. Director Nolan said of Bale, "He has exactly the balance of darkness and light that we were looking for." Goyer stated that while some actors could play a great Bruce Wayne or a great Batman, Bale could portray both radically different personalities. Bale described the part as playing four characters: the raging Batman persona; the shallow playboy façade Bruce uses to ward off suspicion; the vengeful young man; and the older, angrier Bruce who is discovering his purpose in life. At his audition, Bale wore the bat suit (minus the cape, which has been missing for some time) Val Kilmer donned for 1995's Batman Forever. Bale's dislike of his costume, which heated up regularly, helped him get into a necessarily foul mood. He said, "Batman's meant to be fierce, and you become a beast in that suit, as Batman should be – not a man in a suit, but a different creature." Since he had lost a great deal of weight in preparation for his role in The Machinist, Bale hired a personal trainer to help him gain 100 pounds (45 kg) of muscle in the span of...

Question: Cillian Murphy was asked to play which character from the Arkham Asylum?
Scarecrow