Winona Ryder ... Joyce Byers
David Harbour ... Jim Hopper
Finn Wolfhard ... Mike Wheeler
Millie Bobby Brown ... Eleven
Gaten Matarazzo Gaten Matarazzo ... Dustin Henderson
Caleb McLaughlin Caleb McLaughlin ... Lucas Sinclair
Natalia Dyer Natalia Dyer ... Nancy Wheeler
Charlie Heaton Charlie Heaton ... Jonathan Byers
Joe Keery Joe Keery ... Steve Harrington
Cara Buono Cara Buono ... Karen Wheeler
Noah Schnapp Noah Schnapp ... Will Byers
Sadie Sink Sadie Sink ... Max Mayfield
Priah Ferguson Priah Ferguson ... Erica Sinclair
Joe Chrest Joe Chrest ... Ted Wheeler
Dacre Montgomery Dacre Montgomery ... Billy Hargrove
Maya Hawke Maya Hawke ... Robin Buckley
Brett Gelman Brett Gelman ... Murray Bauman
Rob Morgan Rob Morgan ... Officer Powell
John Reynolds John Reynolds ... Officer Callahan
Matthew Modine Matthew Modine ... Martin Brenner
Randy Havens Randy Havens ... Scott Clarke
Sean Astin Sean Astin ... Bob Newby
Paul Reiser Paul Reiser ... Sam Owens
Susan Shalhoub Larkin Susan Shalhoub Larkin ... Florence
Tinsley Price Tinsley Price ... Holly Wheeler / ...
Sherman Augustus Sherman Augustus ... Lt. Colonel Sullivan
Jamie Campbell Bower Jamie Campbell Bower ... Peter Ballard
Regina Ting Chen Regina Ting Chen ... Ms. Kelly
Nikola Djuricko Nikola Djuricko ... Yuri
Eduardo Franco Eduardo Franco ... Argyle
Amybeth McNulty Amybeth McNulty ... Vickie
Joseph Quinn Joseph Quinn ... Eddie Munson
Myles Truitt Myles Truitt ... Patrick
Grace Van Dien Grace Van Dien ... Chrissy 9 episodes, 2022
Catherine Curtin Catherine Curtin ... Claudia Henderson 7 episodes, 2017-2019
Andrey Ivchenko Andrey Ivchenko ... Grigori 7 episodes, 2019
Chester Rushing Chester Rushing ... Tommy Hagan 7 episodes, 2016-2017
Anniston Price Anniston Price ... Holly Wheeler / ... 7 episodes, 2016-2019
Mark Steger Mark Steger ... The Monster 6 episodes, 2016-2017
Francesca Reale Francesca Reale ... Heather Holloway 6 episodes, 2019
Tobias Jelinek Tobias Jelinek ... Lead Agent 6 episodes, 2016
Chelsea Talmadge Chelsea Talmadge ... Carol Perkins 6 episodes, 2016-2017
Shannon Purser Shannon Purser ... Barbara Holland 4 episodes, 2016-2017
Jake Busey Jake Busey ... Bruce 5 episodes, 2019
Cary Elwes Cary Elwes ... Mayor Larry Kline 5 episodes, 2019
Aimee Mullins Aimee Mullins ... Terry Ives 6 episodes, 2016-2019
Michael Park Michael Park ... Tom Holloway 5 episodes, 2019
Catherine Dyer Catherine Dyer ... Agent Connie Frazier 5 episodes, 2016
Peyton Wich Peyton Wich ... Troy 5 episodes, 2016
Ross Partridge Ross Partridge ... Lonnie Byers
Peggy Miley Peggy Miley ... Doris Driscoll
Alec Utgoff Alec Utgoff ... Dr. Alexei
Hugh B. Holub Hugh B. Holub ... Scientist
Cynthia Barrett Cynthia Barrett ... Mrs. Holland
Caroline Arapoglou Caroline Arapoglou ... Mom #1 / ..