How Old Are The Welcome To Derry Kids

So, you've been binge-watching Welcome to Derry and suddenly you're wondering, how old are these kids, really? Well, here's the thing — they're not kids at all. They're full-grown adults pretending to be terrified teenagers in a small town full of cosmic horror. And honestly? It works beautifully.

Let's start with William Romain, who plays Bill Denbrough. Born in 1998, he was roughly mid-twenties when the series was in production. That means this guy was in his prime adult years, yet somehow he pulled off the look of a scrappy kid who just lost his little brother. Give that man an Oscar for commitment, because those tear ducts don't lie.

Then there's Jovan Adepo, who steps into the shoes of Victor Criss. Born in 1988, he was pushing thirty-something during filming. You read that right — a grown man playing a kid in the 1950s Derry. And yet, when Victor's standing in that creepy hallway with wide eyes? You forget all about it. Acting is magic, people.

Now let's talk about Ryan Grantham, who absolutely owns the screen as Henry Bowers. Born in 2002, he was one of the younger members of the cast, likely in his early twenties. But don't let that fool you — that little sociopath radiates menace like a certified professional. You'd never guess he's barely older than the character he's terrifying.

Here's a fun thought: these actors are probably closer in age to each other than their characters are. The entire kid gang is played by people who could easily be college classmates grabbing drinks after class. And yet, somehow the chemistry works. They look at each other like they've known each other since kindergarten, even though they probably bonded over craft services and long shooting days.

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Why Does It Work So Well?

Great question, and I'm glad you asked. Casting older actors to play younger roles is practically a Hollywood tradition at this point. Think about it — how many grown adults have you seen convincingly playing high schoolers? It's everywhere. The secret sauce is casting directors who know exactly how to find faces that still carry that youthful energy, even when the actors themselves have bills and mortgages to worry about.

There's also something about the 1950s setting that helps. The kids in Welcome to Derry are meant to look a certain way — innocent but creeping toward darkness. And let's be real, most twenty-somethings can pull off that "young and naive" vibe without breaking a sweat. Add in some period costumes and a haunted town backdrop, and suddenly you're fully invested.

The Real Numbers Behind the Magic

So here's a quick breakdown of what we know about the cast's ages. Jovan Adepo was born in 1988, making him around 35–36 during production. William Romain was born in 1998, putting him at roughly 25–26. Ryan Grantham, born in 2002, was likely around 21–22. The rest of the ensemble includes actors like Peter Coonan and Brian F. O'Byrne, who bring a whole different kind of weight to the series — but they're playing adults, not kids.

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What's fascinating is how the youngest-looking cast member isn't necessarily the youngest actor. Ryan Grantham has that boyish energy that makes him look younger than his years, while others carry themselves with a maturity that immediately ages them up. It's a delicate balancing act, and the casting team clearly nailed it.

Does Age Even Matter?

Here's my hot take: it shouldn't matter at all. You're not watching Welcome to Derry to fact-check whether Bill Denbrough's actor was actually thirteen in 1952. You're watching it because the story grabs you by the collar, shakes you upside down, and whispers "do you want to know what's under the sink?" That's the whole point. The actors disappear into their roles, and suddenly you're right there in Derry, shivering alongside them.

So the next time someone asks, "How old are the Welcome to Derry kids?", you can smile and say, "Old enough to know better, young enough to still walk into that sewer anyway." That's the spirit of the show, right? It's about childhood — messy, fearless, terrifying childhood — brought to life by adults who clearly love what they're doing. And honestly? That's the most real thing about the whole series.