14 members
The Duffer Brothers cast for chemistry, not credits. A group of kids who genuinely liked each other, anchored by Winona Ryder's comeback and a girl who communicated volumes without speaking, made this Netflix's first real cultural event.

Millie Bobby Brown
22
Eleven

Finn Wolfhard
23
Mike Wheeler

Winona Ryder
54
Joyce Byers

David Harbour
51
Jim Hopper

Gaten Matarazzo
23
Dustin Henderson

Caleb McLaughlin
24
Lucas Sinclair

Noah Schnapp
21
Will Byers

Natalia Dyer
31
Nancy Wheeler

Charlie Heaton
32
Jonathan Byers

Joe Keery
34
Steve Harrington

Sadie Sink
24
Max Mayfield

Maya Hawke
27
Robin Buckley

Jamie Campbell Bower
37
Vecna

Dacre Montgomery
31
Billy Hargrove
Sadie Sink joined the MCU in Spider-Man: Brand New Day, widely reported to be playing Jean Grey.
Maya Hawke landed the role of Wiress in The Hunger Games: Sunrise on the Reaping.
Finn Wolfhard co-wrote and co-directed the horror comedy Hell of a Summer with Billy Bryk, his feature directorial debut.
Much of the cast reunited at Maya Hawke's wedding to musician Christian Lee Hutson on Valentine's Day.
Millie Bobby Brown starred in Enola Holmes 2, continuing her Netflix partnership.