J.K. Simmons stunned the Internet when his trainer ... He worked with trainer Dana Perry to get in shape, working on overall fitness and building muscle. "I've gone back and forth with fine ...

Jonathan Kimble Simmons has built a decades-long career on ... Well, that would be a viral gym photo from 2016, in which a bearded, 61-year-old JK can be seen curling two dumbbells, biceps bulging.