In 2017, Winona Ryder joked that she doesn't understand social media and that Millie Bobby Brown explained to her what Snapchat was, according to Yahoo! News. Ryder made a great acting comeback playing a concerned parent on Stranger Things who just wants to get her son back and figure out why her small town of Hawkins, Indiana has become so evil.
While the actor who plays Joyce Byers isn't on any platforms, fans can follow her season 4 Stranger Things co-stars on Instagram. Many cast members have huge followings and share fun behind-the-scenes photos.
Paul Reiser (@paulreiserofficial) - 30.1k followers
Known for starring on the '90s sitcom Mad About You as the main character Paul opposite Helen Hunt's Jamie, and also for playing Carter Burke in Aliens, Paul Reiser has also appeared in several seasons of Stranger Things as Dr. Sam Owens.
Reiser doesn't post much on his Instagram account and mostly uses it for promotional purposes. In season 4, Dr. Owens is a tricky and complex character as he seems to want to help Eleven, but he's still working with Papa/Dr. Martin Brenner.
Jamie Campbell Bower (@bowerjamie) - 4.8m followers
Jamie Campbell Bower made a splash as Henry Creel/oo1/Vecna, the season 4 villain who fans can't stop talking about. Before, the actor starred in the Twilight franchise along with the TV series Camelot.
Vecna is one of the best additions to the series as his presence sums up so much of the past few seasons and explains how Eleven came to Hawkins and why so many people have been after her. Vecna is harsh, cruel, and looks incredibly creepy and disturbing.
Priah Ferguson (@priahferguson) - 4.4m followers
Priah Ferguson plays Erica Sinclair, Lucas's younger sister, and she brings her hilarious energy to seasons 3 and 4. Erica is never without a witty comment or a game plan, and it's funny watching Erica banter with the other characters, including Dustin.
Whether saying memorable quotes like "You can't spell America without Erica" or standing up to Eddie Munson in season 4, Erica is always her confident self. Erica shocks Eddie by showing off her knowledge of Dungeons & Dragons in season 4. The actor has over 4 million Instagram followers.
Finn Wolfhard (@finnwolfhardofficial) - 25.7m followers
From Stranger Things memes explaining Mike Wheeler's character to fan reactions to Mike and Eleven's relationship, Finn Wolfhard is a beloved part of the Netflix show's cast.
Mike is kind, smart, and always there for his friends. In season 4, Mike and Eleven have trouble figuring out what they mean to each other as their long-distance relationship has been hard on both of them. Their love story is one of the hearts of the show.
Noah Schnapp (@noahschnapp) - 26.4m followers
17-year-old Noah Schnapp has been a staple of Stranger Things since the start as sweet Will Byers, the first person to become taken by the Upside Down. It's Will's disappearance that is the show's inciting incident and alerts his friends and family to the evil in Hawkins.
Schnapp has almost 27 million Instagram followers and his portrayal of Will is impressive. In season 4, Will feels even more isolated from his friend group, and Schnapp plays it perfectly.
Caleb McLaughlin (@therealcalebmclaughlin) - 14.9m followers
Caleb McLaughlin is now 20 years old and also has a large following on Instagram. McLaughlin plays the member of The Party named Lucas Sinclair.
In season 4, Lucas becomes a basketball player and makes new friends, which upsets the others, who wants things to stay the same. Thankfully, Lucas and his friends team up to fight Vecna and find a way to be close again.
Gaten Matarazzo (@gatenm123) - 18.1m followers
19-year-old Gaten Matarazzo's Instagram following is also in the millions. The actor's role as Dustin Henderson is often considered one of the sweetest and most hilarious parts of the show.
Dustin and Eddie become friends in Stranger Things season 4, and it means a lot to both of them, offering them support and connection in a scary and dark time. Dustin helps Eddie see that people can care about him and that he deserves friends.
Sadie Sink (@sadiesink_) - 23.2m followers
Sadie Sink's character Max Mayfield is put through the wringer in season 4, as she is a target of Vecna's and is mourning the death of her brother Billy. Max is part of many beautifully haunting scenes where her favorite song "Running Up That Hill" by Kate Bush plays.
Sink played the important role of Ziggy Berman in Fear Street Part Two: 1978, but Max is her most beloved character. The way that the others work together to help Max and come up with a plan is why the show has so many fans.
Millie Bobby Brown (@milliebobbybrown) - 56.6m followers
Millie Bobby Brown's portrayal of Eleven, who is young, scared, and heartwarming, has brought her fame. The actor has many parts under her belt, including the 2020 Netflix movie Enola Holmes.
It's always enjoyable seeing what Eleven is up to, and she shines in season 4, figuring out Venca's story, learning the truth about Dr. Brenner, and finding a way to see her friends again.
Maya Hawke (@maya_hawke) - 9m followers
Maya Hawke shines as Robin Buckley, who befriends Nancy Wheeler in season 4 as they pretend to be grad students to get into Pennhurst Mental Hospital. Hawke has an impressive acting career, also playing Heather in Fear Street Part One: 1994.
Hawke wrote the funny line "Tony Hawk's daughter" in her Instagram bio, where she has 9 million followers. It will be interesting to see what happens to Robin when the show returns for season 5.
Joseph Quinn (@josephquinn) - 7.6m followers
Joseph Quinn plays Eddie in season 4, a character who meets a dark and grim fate. Eddie sacrifices himself and while it's sad to think about, the image of him playing his guitar in the Upside Down will live on forever.
Before becoming part of the Netflix series, Quinn played a role in the TV series Les Misérables, and he was also in the miniseries Catherine The Great and the TV show C.B. Strike.
Joe Keery (@joekerryactor) - 619k followers
Joe Keery plays Steve Harrington on Stranger Things, which is his most well-known part, and recently, he played Walter McKeys in Free Guy.
Steve and Dustin's Stranger Things friendship is a favorite, and fans love the banter between the two characters. The show would feel so different without the bond between Steve and Dustin, who have a sweet sibling-like connection.
Charlie Heaton (@charlie.r.heaton) - 6.3m followers
Charlie Heaton's Stranger Things character Jonathan Byers is torn in season 4 between admitting that his relationship with Nancy Wheeler is in trouble and pretending that everything is fine.
Jonathan gives Will a sweet pep talk in one season 4 scene, which is one of the most emotional moments. Heaton has over 6 million Instagram followers.
Natalia Dyer (@nattyiceofficial) - 8.7m followers
Nancy's smartest Stranger Things quotes show that she is determined to help others. Nancy is a solid and meaningful part of the friend group and watching her work through her feelings for both Jonathan and Steve adds a lot of drama to an already fast-paced show.
Fans can follow Natalia Dyer on Instagram, where she has quite a large following. Other than Stranger Things, Dyer starred in the comedy Yes God Yes and the thriller Things Heard & Seen.
Eduardo Franco (@dumbuardo) - 885k followers
Eduardo Franco played Theo in Booksmart and impressed fans playing Argyle in season 4, the Surfer Pizza delivery employee who befriends the young characters and becomes a huge part of their mission to save Eleven.
Argyle is funny, easy-going, and a bit ditzier than the other characters, which makes him a lot of fun to watch. He just wants to be part of the fun and the action, and he loves saying slang like "my dudes" or "surf's up" which is always hilarious.
David Harbour (@dkharbour) - 9.2m followers
Although his co-star Winona Ryder doesn't have Instagram, the actor who plays the beloved character Jim Hopper does. David Harbour has an impressive following and shares photos from set and news about projects that he's working on.
Hopper is a great dad to Eleven and in season 4, he shows off the incredible strength that he has both mentally and physically when he is captured and has to figure out a way out.