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Actor KJ Apa spoke about preparing to play Jimmy Stewart in the upcoming biopic "Jimmy," studying It's a Wonderful Life to understand how to portray the role, while also addressing speculation that he is the singer Mr. Fantasy. Apa opened up about his past addictions and recovery, calling it "a huge part of who I am." The wide-ranging interview, published by Variety on October 17, covers both his upcoming film work and personal history.