Patrick Ball doesn’t want to play the good guy. Or the bad guy. “Anything I do — whether it be ‘The Pitt’ or ‘Hamlet,’ whether it be ‘Becky Shaw’ — I look for stories where there isn’t a clear good guy-bad guy dynamic,” says the actor. Ball is currently on TV screens as Dr. Frank Langdon as “The Pitt” wraps up its second season, and also onstage in New York making his Broadway debut as one of the stars of “Becky Shaw.” The dark comedy, which was a finalist for the Pulitzer Prize in 2009, explores simmering power dynamics in the aftermath of a blind date. Ball stars as the young “feminist” husband of a woman grieving the loss of her dad. He introduces his new coworker, the titular Becky Shaw, into a complicated family dynamic. “Each one of these characters are equally flawed and damaged — and also equally justifiable and redeemable,” says Ball, adding that he was attracted to the show’s overt versus covert power dynamics at play. “I thought that was really interesting, especi...