Boardwalk Empire's marginal characters have been its been most interesting. Its final season tries to make gangster-businessman Nucky just as compelling.
The British actor, who starred opposite Claire Danes in the 2007 film Stardust, will play the masked superhero last embodied on screen by Ben Affleck
HBO's popular medieval drama airs April 6
In Nucky Thompson's own game of thrones, the story gets ever more sprawling, and--as the finale proved again--few people are safe.
Stars turn out for an evening filled with a lot of champagne—but, alas, few revelations
As Steve Buscemi reprises his leading role in season two of HBO's "Boardwalk Empire," TIME takes a look at other unconventional leading men throughout the years...