Here Are the Real Ages of the Actors and Their Characters on "Stranger Things"

Actor age: 19, Born December 23, 2002

Character age: Born on April 7, 1971, according to the graphic novel Stranger Things and Dungeons & Dragons, Mike was 12 in Season 1, 13 in Season 2, 14 in Season 3, and will be 15 in Season 4.

Where else you've seen him: If you're a horror movie fan, you probably saw him as Richie in the adaptation of Stephen King's It as well as It Chapter Two. We also saw him recently in the Ghostbusters reboot, Ghostbusters: Afterlife as new-kid-in-town Trevor. Coming up, we'll get to hear his voice acting debut in the animated musical, Pinocchio. Finn is also making his mark on the music scene, as a vocalist and guitarist in the indie rock band The Aubreys. He was previously a member of the group Calpurnia, until it dissolved in 2019 according to the band's Instagram page.