SERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsHBO MAXSERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsHBO MAXSIGN 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 5Margaret Thompson Played by Kelly Macdonald Beautiful and intelligent with a survivor’s spirit, Margaret can hold her own with powerful men, traits that serve her well given her rocky domestic situation.