Millie Bobby Brown as Eleven

Age | 18 years |
Finn Wolfhard as Mike Wheeler

Age | 19 years |
Noah Schnapp as Will Byers

Age | 17 years |
Gaten Matarazzo as Dustin Henderson

Age | 19 years |
Caleb McLaughlin as Lucas Sinclair

Age | 20 years |
Sadie Sink as Max Mayfield

Age | 20 years |
Natalia Dyer as Nancy Wheeler

Age | 27 years |
Charlie Heaton as Jonathan Byers

Age | 28 years |
Joe Keery as Steve Harrington

Age | 30 years |
Maya Hawke as Robin Buckley

Age | 24 years |
Winona Ryder as Joyce Byers

Age | 50 years |
David Harbour as Jim Hopper

Age | 47 years |
Cara Buono as Karen Wheeler

Age | 48 years |
Priah Ferguson as Erica Sinclair

Age | 15 years |
Matthew Modine as Martin Brenner

Age | 63 years |
Jamie Campbell Bower as 001/Vecna/Henry

Age | 33 years |
Paul Reiser as Dr. Sam Owens

Age | 66 years |
Dacre Montgomery as Billy Hargrove

Age | 27 years |
Joseph Quinn as Eddie Munson

Age | 29 years |