Tommy Deadwyler took the Mars Theatre stage Saturday night in what was one of his final acts, but he’ll have a hand in an epilogue. Deadwyler will be leaving the city of Springfield as its director of cultural affairs to take over as director of McGregor Hall, a soon-to-open 1,000-seat venue in Henderson, N.C. “I’m really passionate about what we’ve done and really proud of what we’ve done,” Deadwyler said. “We’ve made some huge strides in a short amount of time.