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 Mare of Easttown About Season Season 1Frank Sheehan Played by David Denman An affable, outgoing man, a math teacher at the local high school. He married Mare when they were just 20 years old, but their marriage split apart years ago.