Xander Berkeley as Gregory, the arrogant, selfish, and treacherous former leader of the Hilltop who is adjusting under Maggie's leadership.[14][15] Khary Payton as Ezekiel, the charismatic leader of the Kingdom who helped Rick defeat Negan and his Saviors.[12] Pollyanna McIntosh as Anne, the former leader of the Scavengers (previously known as "Jadis") who has since integrated into Alexandria.[12] Callan McAuliffe as Alden, a former member of the Saviors who had defected to Maggie's group during the war against Negan.[6] Avi Nash as Siddiq, a former vagabond and doctor who was rescued by Carl before his death.[6] Samantha Morton as Alpha, the leader of the Whisperers, a mysterious group of survivors who wear the skins of walkers to mask their presence.[7]