It's hard to believe how fast the cast of Stranger Things have grown up before our eyes.
The hit Netflix show burst onto the scene back in 2016 and as the characters have grown, so have the actors who play them. At the start, Eleven, played by Millie Bobby Brown, was just a scared little girl who didn't know much about the world around her and Mike (Finn Wolfhard), Dustin (Gaten Matarazzo), Lucas (Caleb McLaughlin) and Will (Noah Schnapp) were innocent Dungeons & Dragons-loving kids.
And if you look back at season one compared to now, you may feel old yourself when you think how quickly time has flown by. Most of the younger cast are now in their late teens, with the creators of Stranger Things noting there will be a time jump in later episodes.
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As many of us have now seen the conclusion of the fourth season, we've delved into the archives to find these throwback photos of the cast. Some show actors as the show started, whereas others capture them years before the popular TV series.
You can also see how much the younger cast members have grown up, as well as what some of the actors looked like decades ago at the start of their careers. Here are 11 Stranger Things actors before they were 'all grown up.'
Natalia Dyer, 25, plays high school senior Nancy Wheeler in the hit series. Older sister to Mike, Nancy is a student journalist who finds herself investigating the Hawkins Lab and growing closer to character Jonathan.
In her career, Dyer has also appeared in Netflix thriller Velvet Buzzsaw and the music
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