They're growing up before our very eyes!
The cast of the record-breaking Netflix sci-fi series Stranger Things is populated by a variety of talented actors.
Young performers such as Millie Bobby Brown and Finn Wolfhard have become firm favourites in recent years, while newcomers such as Maya Hawke have also made an impact.
In fact, the core younger cast members are of such varying ages, you will definitely be surprised by the difference between some cast members.
Meanwhile, the iconic Hollywood actress that is Winona Ryder is already a household name, with Chief Hopper himself David Harbour is now Hellboy himself.
But how old are our favourite cast members?
Here are the ages of the main cast of Stranger Things 3.
Stranger Things cast ages
Finn Wolfhard
The actor behind Mike Wheeler is 15 years of age.
Millie Bobby Brown
The Eleven actress is now 15-years-old.
Gaten Matarazzo
The Dustin actor is 16-years-old.
Caleb McLaughlin
The man behind Lucas Sinclair is 17-years-old.
Noah Schnapp
The Will Byers actor is 14-years-old.
Sadie Sink
Resident tomboy Max Mayfield is played by 17-year-old Sadie Sink.
Natalia Dyer
The Nancy Wheeler star is 22-years-old.
Charlie Heaton
Jonathan Byers' actor is the grand age of 25-years-old.
Joe Keery
The man with the hair, Joe Keery aka Steve Harrington's actor is 27-years-old.
Dacre Montgomery
Resident bad boy Billy is played by 24-year-old actor Dacre Montgomery.
Maya Hawke
The breakout character of season 3 is played by Uma Thurman and Ethan Hawke's daughter, who is 21-years-old.
Priah Ferguson
The Erica Sinclair actress is 12-years-old.
Winona Ryder
The Joyce Byers actress is 47-years-old.
David Harbour
The man behind Chief Jim Hopper is 44-years-old.
Cara Buono
The actress Cara Buono , who plays Mike's mother Karen is 48-years-old.
Stranger Things 3 is available now on Netflix.
Surprised by any of the Stranger Things stars' ages? Let us know in the comments below.
