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Batman Begins | Behind-The-Scenes Bale only had six months in between “The Machinist” and the start of production on Christopher Nolan’s “Batman Begins” to bulk up for his role as Bruce Wayne/Batman. The actor ended up putting on 100 pounds. “I would do splits, every day focusing on a different muscle group,” Bale told Train Magazine. “I would do three sets of 10 to eight, depending on what I was working on.” “I stuffed myself after The Machinist. My first screen test for Batman Begins was a mon