It's common for actors to obsess over a role, wear... ...is roles-he lost over 50 lbs. for his role in The Machinist and gained 43 lbs to play Irving in American Hust...
https://www.neatorama.com/2015/09/16/Celebrities-Who-Underwent-Extreme-Physical-Transformations-For-Roles/
Celebrities Who Underwent Extreme Physical Transformations For Roles...
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