Christian Bale is a great actor and he knows it. So, what's the secret to his greatness? Well, Bale believes it his obsession with his art form that makes him a great actor. Bale is known for his total commitment to his roles and is prepared to do anything to bring his characters to life. He gained a lot of weight to play former Vice-President Dick Cheney in Adam McKay's upcoming biopic 'Backseat.
