Article continues below advertisementWinona RyderSource: NETFLIXWinona Ryder returns to Stranger Things Season 5 as Joyce Byers, which is confirmed by the series' trailer and teaser stills.Article continues below advertisementDavid HarbourSource: NETFLIXAfter playing police chief Jim Hopper in all four seasons, David Harbour suits up once more for the fifth and final season of Stranger Things."Hopper's been back from Russia, and for about a year, he's been training for these Upside Down crawls, basically prepping for a final battle with Vecna," he teased about his character.