Stranger Things' Gaten Matarazzo, 23, gets candid about growing up as a child star and admits he's 'still a bit of a kid' after 'missing out on certain experiences' as he offers advice to new young cast of Harry Potter series | Daily Mail Online

The actor, 23, shot to global stardom at just 14 years old when he was cast as Dustin Henderson in the hugely popular Netflix show.