Several recurring roles for Boardwalk Empire season 4 are currently being cast, including Al Capone’s brothers, Frank (Al’s older brother) and Ralph (the younger brother). Also being cast are 2 characters from Florida: an Italian-American gangster named Santo Trafficante and a ruthless land baron named August Tucker. Other roles include Calypso Pete, who is an African-American gangster from Harlem, Sally Wheet, a white woman who runs an Atlantic City speakeasy, Myriam Polk, an African-American blues singer, a federal agent named Knox, and Michael McHugh, a sexy college freshman from Atlantic City.
Boardwalk Empire – Season 4 – Roles being Cast (Spoilers)