HBO MAXSERIESMOVIESNEW & LAST CHANCESCHEDULEMoreDocumentariesSpecialsSportsPodcastsSIGN INGET HBOMAXHBO MAXSERIESMOVIESNEW & LAST CHANCESCHEDULEMoreDocumentariesSpecialsSportsPodcastsSIGN INGET HBOMAXSIGN INStream all of HBO plus more TV, movies, and Max Originals at no additional cost.SIGN INHBO Max Boardwalk Empire About Season Season 1Season 2Season 3Season 4Season 5Agent Nelson Van Alden Played by Michael Shannon A Senior Prohibition Agent with the Department of Internal Revenue, Van Alden approaches his work with the zeal of a man on a mission.