SERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsHBO MAXSIGN INGET HBOMAXSERIESMOVIESNEW & LAST CHANCESCHEDULEFREE EPISODESMoreDocumentariesSpecialsSportsPodcastsHBO MAXSIGN INGET HBOMAXSIGN INStream all of HBO plus more TV, movies, and Max Originals at no additional cost.SIGN INHBO Max Entourage About Season Season 1Season 2Season 3Season 3Season 4Season 5Season 6Season 7Season 8Andrew Klein Played by Gary Cole Ari and Andrew came up through the mailroom ranks together, but Klein ultimately succumbed to the pressure and went off to quietly build a solid TV agency in the safer confines of the Valley.