Mark Ruffalo went all out while preparing to play the Birdsey twins in HBO’s limited series I Know This Much Is True!
In a new interview, writer and director Derek Cianfrance revealed that the 52-year-old actor went through a lot of physical changes to play Dominic and Thomas Birdsey in the show.
While playing Dominic, Mark had to do about “500 pushups a day” and went on a 1,000 calorie-a-day diet to lose 20 pounds. “I guess you could say he was always a little bit hangry,” Derek shared with The Wrap. “He was eating an egg white for breakfast and just starving.
And he couldn’t eat for another 3 hours, and all he could eat then was a granola bar that had 120 calories or something, because he was on this strict diet.
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