Boardwalk Empire - Season 4 - Eps 7: William Wilson
Eli confronts Nucky after Willie makes an unpopular decision. Margaret has a surprise encounter at her job on Wall Street. Joe Masseria orders Lucky Luciano to return to Tampa and deal with Vincenzo Petrucelli. Gillian goes cold turkey, with Roy Phillips’ help. Still seething over his brother’s death, Al Capone tries to get Johnny Torrio to turn on rival gangster Dean O’Banion. As Chalky White and Daughter Maitland’s relationship deepens, Valentin Narcisse exerts his control over Dunn Purnsley and the Northside.
About Boardwalk Empire

Title: Boardwalk Empire
First Air Date: 2010-09-19
Last Air Date: 2014-10-26
Status: Ended
Rating: 7.992/10 (from 1103 votes)
Language: EN
Seasons: 6
Total Episodes: 56
Network: HBO
Genres: Crime, Drama
Production Companies: Closest to the Hole Productions, Sikelia Productions, Leverage Entertainment, Cold Front Productions
Synopsis
Atlantic City at the dawn of Prohibition is a place where the rules don't apply. And the man who runs things -- legally and otherwise -- is the town's treasurer, Enoch "Nucky" Thompson, who is equal parts politician and gangster.
Cast

Steve Buscemi
Enoch "Nucky" Thompson

Kelly Macdonald
Margaret Schroeder / Margaret Thompson

Michael Shannon
Nelson Van Alden

Shea Whigham
Elias "Eli" Thompson

Stephen Graham
Al Capone

Vincent Piazza
Charles "Lucky" Luciano

Michael Kenneth Williams
Albert "Chalky" White

Paul Sparks
Mieczysław "Mickey" Doyle

Gretchen Mol
Gillian Darmody

Jeffrey Wright
Valentin Narcisse