Okay, let’s settle this once and for all, because I know you’ve been Googling this at 2 a.m. while ignoring your own life. We’re talking about the guy who plays Jeremiah Fisher in The Summer I Turned Pretty—the golden retriever of a boyfriend with the perfect hair and the even more perfect hugs. So, how old is the actor behind that adorable, emotionally confused himbo?
His name is Gavin Casalegno, and he’s not just a pretty face; he’s a seasoned pro. But here’s the kicker: the character he plays is 16 in the books, but the actor? He’s actually 24 years old. Yes, you read that right. Twenty-four. He’s been legally allowed to rent a car for three years, and yet he still makes us believe he’s stressing over prom and first kisses. Talk about a masterclass in acting, or maybe just really good skincare.
Wait, 24? But He Looks Like a Baby…
I know, I know. It’s the classic Hollywood paradox where a 30-year-old plays a high school sophomore, and we’re all just supposed to nod along. Gavin was born on September 4, 1999, which makes him a proud Virgo. If you’re into astrology, that means he’s probably organized, detail-oriented, and maybe just a tad critical of his own performance. We love that for him.
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But here’s the fun part: when he first auditioned for the role, he was actually closer to Jeremiah’s age. He was about 20 when he landed the part, filming the first season in 2021. By the time Season 2 rolled around, he was 23, and now, with Season 3 on the horizon, he’s a full-blown adult who can order a glass of wine with his dinner and not get carded (probably).
So, the real answer to “how old is Jeremiah Fisher actor” is a moving target. He’s 24 now, but he’ll be 25 by the time the next season wraps. The guy is literally aging in real-time while his character is stuck in the eternal summer of teen angst. It’s like a reverse Benjamin Button situation, but with more chunky knit sweaters.
Why Does This Age Gap Matter (Or Not)?
Honestly, it doesn’t matter one bit for the show’s enjoyment, but it is hilarious to think about. The man has a mortgage, probably, and yet he’s acting out a love triangle at a beach house with his “brother” who is actually older than him in real life. That’s right—Christopher Briney, who plays Conrad, was born in 1998, making him a year OLDER than Gavin. So the younger brother on screen is the older man behind the scenes. It’s a total mind-bender.
But let’s give Gavin some credit. He’s not just some newbie who stumbled onto the set. He’s been acting since he was a kid. We’re talking about a guy who was in Nashville and the 2014 movie Noah (he played a young Noah, which is wild). So by the time he showed up as Jeremiah, he had already been in the industry for over a decade. He’s got the experience of a 40-year-old, the face of a 20-year-old, and the energy of a golden retriever who just learned how to fetch. A lethal combo, honestly.
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What’s Next for the “Old” Man?
As he navigates his mid-20s, Gavin is doing what most of us do at that age: figuring out what’s next, but with way more paparazzi. He’s got the second season of The Summer I Turned Pretty under his belt, and he’s been hinting at future projects that don’t involve sand or surf. He’s also a car guy, a pilot-license holder (yes, he can fly a plane!), and a total family man. He’s basically the guy you’d want to be stuck on a desert island with, if the island also had Wi-Fi and a gym.
Plus, he’s got that whole “dating a supermodel” thing going on. He’s been linked to Lara McWhorter, and they seem adorable. So while his character is struggling with unrequited love and sibling rivalry, Gavin is out here living his best life, probably flying a Cessna to a brunch date. The contrast is comedic gold.
The Bottom Line on His Age
So, if you’re wondering, “How old is Jeremiah Fisher actor?” the answer is: He’s 24, with a 16- year-old soul trapped in a 30-year-old’s career trajectory. He’s young enough to play a teen, but old enough to know better than to actually act like one in real life. And honestly, that’s the sweet spot. He’s relatable enough for the Gen Z fans, but mature enough to handle the pressure of a massive hit show.
The best part? He’s only going to get older, and we’re going to get to watch him grow. He’ll finish The Summer I Turned Pretty and then move on to adult roles, probably playing a lawyer or a brooding Victorian gentleman. And we’ll all say, “Hey, I remember when he was that guy in the pool.” That’s the beauty of actors—they age, but they take us along for the ride.
So, next time you watch the show, just remember: you’re rooting for a fictional 16-year-old played by a real-life 24-year-old who can legally do everything his character can’t. And that’s exactly why it works. It’s a fantasy, but it’s a fun one. And with his age, he’s got plenty of time to keep making us swoon—just maybe not as a high schooler forever. Here’s to growing up, Gavin, but please don’t stop playing the sweet, shirtless beach boy just yet. We’re not ready to let go.