There’s something inherently enthralling about seeing a character leap to life on screen—especially when the actor behind the role feels just as authentic. That’s what’s happening with Gavin Casalegno, the up-and-coming actor who stars as Jeremiah Fisher in The Summer I Turned Pretty.
With his easy charm, emotional resonance, and on-screen warmth, Gavin has rapidly become a teen drama favorite. But beneath the sun-baked beaches and love triangles galore, there is a real man whose ride to stardom began long before Prime Video came calling.
From modeling at age four to his first major on-screen role in Noah, Casalegno’s journey has been building steadily since he was a child. Now in his mid-20s, he is not only well-known as an actor—he is also now being made famous for his maturity, versatility, and growing authority as an influence within the entertainment world.
Below, we look at the actor’s age, bio, and increasing fame.
Who Is Gavin Casalegno?
Gavin Casalegno is an American model and actor who began his career in the entertainment industry at a remarkably young age. Born on September 2, 1999, in Lewisville, Texas, Gavin’s natural charm had him pick up modeling work before the age of five.
Jeremiah Fisher actor, Gavin Casalegno, is yet another young star who has been honing his craft since a young age. As he continues to make a name for himself in the industry, Jeremiah’s talent and hard work are bound to take him to even bigger heights.
His first experience with the camera slowly acclimatized him to small roles in television commercials and music videos, leading the way to a shining Hollywood career. By the time he was not yet a teenager, Gavin had already landed roles in TV dramas that were the highest hits and blockbuster films, making his presence known to both casting directors and audiences alike.
How Old Is Gavin Casalegno?
Gavin Casalegno will be 25 in 2025. He was only 22 when production commenced for The Summer I Turned Pretty and portrayed Jeremiah Fisher on television.
Impressive is the way he organically acquired the adolescent attitude and emotional sensitivity of a boy younger than himself. His own maturity added depth to Jeremiah, balancing affable charm with emotional depth—a performance that stayed with audiences in a big way.
The age vs. character conflict only served to underscore Gavin’s acting ability and versatility, showing that he can convincingly portray characters of any age.
The Breakout Role: Jeremiah Fisher
Casalegno’s star continued to shine when he was cast as Jeremiah Fisher in The Summer I Turned Pretty, a TV show adaptation of Jenny Han’s hit YA novel series. Jeremiah is the sun-bronzed, golden-hearted middle Fisher brother—unpredictably fun-loving, committed, and frequently mired in emotional turmoil.
Audiences quickly related to Gavin’s interpretation. His exchange of witty lines with co-stars, his emotional acting, and the way he made Jeremiah authentic as well as endearing all ensured the show’s mass popularity.
While the love triangle may have had its moments in the tabloids, it is Gavin’s acting that lends Jeremiah genuine staying power.
Earlier Appearances: From Noah to The Vampire Diaries
Before he became a household name, Gavin had already accumulated priceless experience on the sets of prominent productions. At the age of 14, he played the young Shem in Darren Aronofsky’s epic biblical drama film Noah (2014), starring alongside Russell Crowe and Emma Watson.
He also made a guest appearance in The Vampire Diaries (2015), the hit supernatural drama series that also propelled him to a favorite TV show. The initial roles, while not front-page stuff at the time, inculcated in him the attitude in front of the camera and command of the lens he’s renowned for today.
They were stepping stones that molded him into the performer he is today.
Beyond Acting: Personal Life and Passions
Gavin’s off-screen life reflects a blend of grounded values and a thoughtful awareness of the world around him. He has frequently expressed his belief in Christianity, sports, and maintaining his mind and body in harmony. He learned about soccer and wrestling—sports that instilled discipline in him at an early age.
He courted model and socialite Larsen Thompson long-term prior to secretly marrying Cheyanne King in 2024, a discovery that piqued the fans’ interest but also showed his preference for keeping personal affairs under wraps.
As painted in interviews, Gavin is a considerate and articulate individual—traits that are completely different but apt for his free-spirited on-screen personality.
What’s Next for Gavin Casalegno?
With Season 3 of The Summer I Turned Pretty on the horizon, Gavin’s own fan base gets bigger. But he isn’t staying strictly in the teen drama sphere. In-the-know sources suggest that he’s being cast in more varied roles on TV and in film, perhaps even getting his toes wet in mystery or indie film.
His objective is clear: to establish a long-term career marked by significant performances and avoiding stereotyping. And based on the record up to now, Gavin Casalegno is not only a newcomer on the make—he’s one with some genuine staying power.
His prospects are bright, and his fans can’t help but ask themselves where his talent will take him next.
Final Thoughts
Gavin Casalegno has quickly become more than a teen idol. With a strong acting background, a standout performance that won hearts, and gradual ascension into show business, he’s building himself into a wholesome performer with substance and ambition.
Whether he’s portraying brooding Jeremiah Fisher or venturing into new creative territory, one thing is sure—Gavin’s just getting started. And his fans all over the world are observing and anticipating each move he makes.
