Gavin Casalegno

Gavin Perry Casalegno is an American actor and model who is best known for portraying Jeremiah Fisher in the television series The Summer I Turned Pretty.

Casalegno was born in Dallas, Texas, on September 2, 1999. He is the oldest of three children and has Italian ancestry from Piedmont in Northern Italy. He grew up attending church and attended Lovejoy High School in Lucas, Texas. His younger sister, Ashlyn Casalegno, is also an actress and model, and he also has a younger brother.

His career began at the age of four after a friend of his mother suggested he try modeling, leading to his first job with JCPenney. During the mid-2000s, he appeared in several commercials for brands such as Sony and Papa John's. As he was a minor, his mother, Allyson Casalegno, served as his manager while he traveled for work and auditions.

After relocating to Los Angeles to pursue bigger opportunities, Casalegno booked his first film project by the age of eleven. He subsequently took on a variety of roles, portraying young Shem in the 2014 film Noah, young Damon Salvatore in the CW television series The Vampire Diaries in 2015, and Trevor Strand in the first season of Walker in 2021.

In July 2021, Deadline announced that Casalegno was cast as Jeremiah Fisher, a main character in the Amazon Prime television series adaptation of Jenny Han's novel The Summer I Turned Pretty. The series premiered on June 17, 2022, and its second season launched on July 14, 2023. According to Amazon, the second season became one of the ten most-watched seasons of any series on the streaming service, leading to a ten-episode third season renewal in August 2023.

In addition to his television work, Variety reported in June 2023 that Casalegno was cast in the biographical film Queen of the Ring, playing the younger version of Joe, the son of WWE Hall of Fame wrestler Mildred Burke. In 2026, he starred in the shark survival film The Devil's Mouth on Amazon Prime Video.

Outside of acting and modeling, Casalegno is a mental health advocate and a Christian. He dated American dancer, model, and actress Larsen Thompson from 2016 to 2022, and married Cheyanne King in late 2024. In the summer of 2025, he and his wife temporarily moved to Thailand to work on a new project.