HE PLAYS Disfigured WWI veteran Richard Harrow, who used his sniper skills in Atlantic City as a hit man for Boardwalk Empire mobster Jimmy Darmody (Michael Pitt). Following his killing spree in last season's finale, Richard hits the road in search of his family. "As we discover, he lived a farm life," Huston says. "He was always a crack shot, but war changed him. He's come back not knowing the world he left."