Leo DiCaprio brought his mom, Irmelin, as his date Saturday to see “Lucky Guy” on Broadway. After the show, he headed backstage to greet Tom Hanks and director George C. Wolfe. Hanks was with his son Chester, a k a rapper Chet Haze. DiCaprio and Hanks starred in “Catch Me If You Can.” Also in the audience were the real-life inspirations for characters portrayed onstage in the story of Mike McAlary, including attorney Ed Hayes, Jim Dwyer, Michael Daly, Jim Willse and Bob Drury.