Complex sentence: Franklin Shea Whigham, Jr. (born January 5,1969), best known as Shea Whigham, is an American actor notably starring as Elias "Eli" Thompson on the HBO dramatic series "Boardwalk Empire".
Split into simpler sentences: Franklin Shea Whigham, Jr. (born January 5,1969), known professionally as Shea Whigham, is an American actor. He currently portrays Elias "Eli" Thompson on the HBO drama series "Boardwalk Empire".