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 5Gillian Darmody Played by Gretchen Mol A showgirl at the Beaux Arts, single mother Gillian shares a long and complicated history with Nucky, who had agreed to look after her only son.