Winona Ryder Joyce Byers Actor David Harbour Chief Jim Hopper Actor Millie Bobby Brown Eleven Actor Finn Wolfhard Mike Wheeler Actor Gaten Matarazzo Dustin Henderson Actor Caleb McLaughlin Lucas Sinclair Actor Natalia Dyer Nancy Wheeler Actor Charlie Heaton Jonathan Byers Actor Joe Keery Steve Harrington Actor Cara Buono Karen Wheeler Actor Noah Schnapp Will Byers Actor Sadie Sink Max Mayfield Actor Maya Hawke Robin Buckley Actor Priah Ferguson Erica Sinclair Actor Brett Gelman Murray Actor Matthew Modine Dr. Brenner Actor Jamie Campbell Bower Peter Ballard Actor Joseph Quinn Eddie Munson Actor Eduardo Franco Argyle Actor Paul Reiser Dr. Owens Actor Matt Duffer Executive Producer, Director, Writer Ross Duffer Executive Producer, Director, Writer Shawn Levy Executive Producer Dan Cohen Executive Producer