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 Perry Mason About Season Season 1Della Street Played by Juliet Rylance As E.B. Jonathan's loyal legal secretary, and the only “Associate” he has left, Della Street’s brains and ambition go far beyond what's expected of women in the 1930s.