Millie Bobby Brown
Jane 'Eleven' Hopper (9 eps)
Finn Wolfhard
Mike Wheeler (9 eps)
Gaten Matarazzo
Dustin Henderson (9 eps)
Caleb McLaughlin
Lucas Sinclair (9 eps)
Noah Schnapp
Will Byers (9 eps)
David Harbour
Jim Hopper (9 eps)
Winona Ryder
Joyce Byers (9 eps)
Natalia Dyer
Nancy Wheeler (9 eps)
Charlie Heaton
Jonathan Byers (9 eps)
Joe Keery
Steve Harrington (9 eps)
Sadie Sink
Max Mayfield (9 eps)
Maya Hawke
Robin Buckley (9 eps)
Matthew Modine
Martin Brenner (9 eps)
Brett Gelman
Murray Bauman (9 eps)
Priah Ferguson
Erica Sinclair (9 eps)
Paul Reiser
Sam Owens (9 eps)
Jamie Campbell Bower
Vecna (9 eps)
Tom Wlaschiha
Dmitri Antonov (8 eps)
Mason Dye
Jason Carver (7 eps)
Sherman Augustus
Lt. Col. Jack Sullivan (6 eps)
Nikola Đuričko
Yuri Ismaylov (6 eps)
Clayton Royal Johnson
Andy (6 eps)
Kendrick Cross
Agent Wallace (5 eps)
Martie Marie Blair
Young Eleven (5 eps)
Tristan Spohn
Two (5 eps)
Paris Benjamin
Agent Stinson (5 eps)
Myles Truitt
Patrick McKinney (4 eps)
Rob Morgan
Calvin Powell (4 eps)
Joe Chrest
Ted Wheeler (4 eps)
Tinsley Price
Holly Wheeler (4 eps)
Jennifer L. Marshall
Susan Hargrove (4 eps)
Raphael Luce
Young Henry Creel (4 eps)
Catherine Curtin
Claudia Henderson (3 eps)
Gabriella Pizzolo
Suzie (3 eps)
Logan Riley Bruner
Fred Benson (3 eps)
Elodie Grace Orkin
Angela (3 eps)
Logan Allen
Jake (3 eps)
Ira Amyx
Agent Harmon (3 eps)
John Reynolds
Phil Callahan (3 eps)
Amybeth McNulty
Vickie (3 eps)
Chloe Adona
Nine (3 eps)
Jeremiah Friedlander
Fourteen (3 eps)
Morgan Gao
Three (3 eps)
Ethan Green
Sixteen (3 eps)
Oliver Green
Seventeen (3 eps)
David Alexander Kaplan
Twelve (3 eps)
Jessica Arden Napier
Five (3 eps)
Sparrow Nicole
Four (3 eps)
Vaidotas Martinaitis
Warden Melnikov (3 eps)
Grace Van Dien
Chrissy Cunningham (2 eps)
Jayden Griffin
Freshman Teammate (2 eps)
Scout Hamrick
Candace (2 eps)
Hunter Romanillos
Teammate (2 eps)
Gabriella Surodjawan
Mean Girl (2 eps)
Alexander Wagenman
Mean Boy (2 eps)
Trey Best
Jeff (2 eps)
Regina Ting Chen
Ms. Kelly (2 eps)
Christian Ganiere
Ten (2 eps)
Karen Ceesay
Sue Sinclair (2 eps)
Arnell Powell
Charles Sinclair (2 eps)
Joel Stoffer
Wayne Munson (2 eps)
Livi Birch
Alice Creel (2 eps)
Kevin L. Johnson
Young Victor Creel (2 eps)
Tyner Rushing
Virginia Creel (2 eps)
Cindy Hogan
Annoyed Neighbor (2 eps)
Olivia Sembra
Eighteen (2 eps)
Lana Jean Turner
Seven (2 eps)
Bentley Williams
Fifteen (2 eps)
Hendrix Yancey
Thirteen (2 eps)
Hayley Baron
Friendly Girl #2 (1 eps)
Elizabeth Becka
Dr. Ellis (1 eps)
Todd D'Amour
Coach (1 eps)
Anna Grace Davidson
Drama Kid (1 eps)
Elise Falanga
Lenora Neighbor (1 eps)
David Gibson
Friendly Mailman (1 eps)
Sophie Elizabeth Gonzalez
Art Kid (1 eps)
Grant Goodman
Freak #1 (1 eps)
Haroon Khan
Chess kid (1 eps)
Gregory Konow
Announcer (1 eps)
Gwydion Lashlee-Walton
Gareth (1 eps)
Shane Donovan Lewis
Math Kid (1 eps)
Lucinda Marker
Math Teacher (1 eps)
Laura Niemi
Mrs. Gracey (1 eps)
Tristan Peters
Chess Kid #2 (1 eps)
Shawnee Pourier
Cute Girl (1 eps)
Julia Reilly
Tammy Thompson (1 eps)
Candice Rose
Chrissy's Mom (1 eps)
Sam Salary
Stern Orderly (1 eps)
Maximo Salas
Wrestler Teen (1 eps)
Brook Sill
Brenda (1 eps)
Christopher Strand
Chrissy's Dad (1 eps)
Abigail R. Townsend
Friendly Girl (1 eps)
De'Jon Watts
Six (1 eps)
Ed Amatrudo
Director Hatch (1 eps)
Robert Englund
Victor Creel (1 eps)
Saulius Bareikis
Russian Doctor (1 eps)
Larkin Bell
Rink-o-Mania Employee (1 eps)
Michelle Bowman
Teen Skater #4 (1 eps)
Sarah Bowman
Teen Skater #3 (1 eps)
Ethan Dennis
Teen Skater #1 (1 eps)
Cuyle Carvin
Soldier (1 eps)
Leedy Corbin
Annoyed Girl (1 eps)
Karyn Greer
Beverly Moss (1 eps)
Joe Grisaffi
Army Medical Examineer (1 eps)
Elizabeth Howlett
Young Girl (1 eps)
Karolis Kasperavičius
Smirking Russian Guard (1 eps)
Gabe Kessler
Rink-o-Mania DJ (1 eps)
Mark Lawley
Shrugging Neighbor (1 eps)
Stacy Melich
Paranoid Neighbor (1 eps)
Margaret Murphy
Monstrous Mourner #3 (1 eps)
Natalie Otano
Cute College Girl (1 eps)
Alex Parkinson
Monstrous Mourner #2 (1 eps)
Andrius Paulavičius
Lead Interrogator (1 eps)
Ryan Paynter
Dying Teen (1 eps)
Glory Quintana
Teen Skater #2 (1 eps)
Agnieška Ravdo
Annoyed Woman (1 eps)
Jeff Sprauve
Officer Glenn Daniels (1 eps)
Fedor Steer
Monstrous Mourner #1 (1 eps)
Jim Wilkey
Taxi Driver (1 eps)
Tomas Žaibus
Russian Guard (1 eps)
Christine Kellogg-Darrin
Cathy Owens (1 eps)
Alexandra Ficken
Stewardess (1 eps)
Mikael Ayele
Paramedic (1 eps)
Audrey Holcomb
Eden (1 eps)
Aimee Mullins
Terry Ives (1 eps)
Pahsa Lychnikoff
Oleg (1 eps)
Ben Bladon
Muttering Prisoner (1 eps)
Derek Hedlund
Corporal Meyers (1 eps)
Nikolai Nikolaeff
Ivan (1 eps)
J.R. Adduci
Soldier (1 eps)
Sasha Andreev
Control Room Technician (1 eps)
Nick Bardin
Tall Guard (1 eps)
Jason Coviello
Helicopter Sniper Pilot (1 eps)
Eddie Craddock
Annoyed Neighbor #2 (1 eps)
Rob Franco
Explosives Specialist (1 eps)
Charity Hitchcock
Scientist #3 (1 eps)
Roger Ivens
Helicopter Sniper (1 eps)
Euguen Leon
Control Room Guard (1 eps)
James Logan
Gun Counter Clerk (1 eps)
Aleksandr Krasnopolskiy
Control Room Scientist (1 eps)
Mason Mecartea
Dan Shelter (1 eps)
Steve Stafford
Helicopter Pilot (1 eps)
Artur Svorobovich
Prison Booth Guard #1 (1 eps)
Jason Vail
Lead Lab Guard (1 eps)
John Atwood
TV Reporter (1 eps)
Zele Avradopoulos
Volunteer #2 (1 eps)
Andrés Figueroa
Argyle 2.0 (1 eps)
Belle Henry
Young Max (1 eps)
Jack Justice
Older Skater (1 eps)
Anniston Price
Holly Wheeler (1 eps)
Elizabeth Youman
Friendly Volunteer (1 eps)
Dacre Montgomery
Billy Hargrove (archive footage) (uncredited) (1 eps)