Meet Gyp Rosetti (Bobby Cannavale), Billie Kent (Meg Chambers Steedle), Gaston Means (Stephen Root) and some of the other new characters popping up in Season 3 of 'Boardwalk Empire.'Meet Gyp Rosetti (Bobby Cannavale), Billie Kent (Meg Chambers Steedle), Gaston Means (Stephen Root) and some of the other new characters popping up in Season 3 of 'Boardwalk Empire.'Meet Gyp Rosetti (Bobby Cannavale), Billie Kent (Meg Chambers Steedle), Gaston Means (Stephen Root) and some of the other new characters popping up in Season 3 of 'Boardwalk Empire.'