Winona Ryder Joyce Byers Actor David Harbour Chief Jim Hopper Actor Matthew Modine Dr. Brenner Actor Finn Wolfhard Mike Wheeler Actor Natalia Dyer Nancy Wheeler Actor Cara Buono Karen Wheeler Actor Charlie Heaton Jonathan Byers Actor Millie Bobby Brown Eleven Actor Caleb McLaughlin Lucas Sinclair Actor Gaten Matarazzo Dustin Henderson Actor Noah Schnapp Actor Sadie Sink Actor Joe Keery Actor Maya Daisy Hawke Actor Brett Gelman Actor Priah Ferguson Actor Dacre Montgomery Actor Paul Reiser Actor Sean Astin Actor Jamie Campbell Bower Actor Linda Hamilton Actor Nell Fisher Actor Jake Connelly Actor Matt Duffer Executive Producer Ross Duffer Executive Producer Shawn Levy Executive Producer Dan Cohen Executive Producer