The Full Cast Of The Summer I Turned Pretty Season 3: Where Are The Stars Now After The Finale?
The Summer I Turned Pretty Season 3, the highly anticipated and final installment of the beloved Prime Video series, has officially concluded its emotional run, bringing the iconic love triangle to a definitive close. As of December 23, 2025, fans are still reeling from the events of the 11-episode final season, which premiered on July 16, 2025, and concluded on September 17, 2025. This season, based on Jenny Han’s third novel, We’ll Always Have Summer, saw Belly Conklin finally make her choice, cementing the destinies of the Fisher brothers, Conrad and Jeremiah. This ultimate guide breaks down every key actor who returned to Cousins Beach for one last summer, along with the fresh faces who stirred up the drama in the series finale, and a look at their careers post-TSITP.
The final season was an emotional rollercoaster, filmed primarily in the familiar setting of Wilmington, North Carolina, during the summer of 2024. The cast delivered powerful performances, navigating Belly’s college years, a new engagement, and the inevitable confrontation of the central love story. Below is a comprehensive profile of the core cast members who made the final summer unforgettable, providing topical authority on the key players behind the global phenomenon.
The Core Trio: Complete Cast Biography and Character Profiles
The heart of The Summer I Turned Pretty has always been the complex relationship between Belly and the Fisher brothers. The final season saw the main actors reprise their roles with maturity and depth, concluding their respective character arcs.
- Lola Tung as Isabel 'Belly' Conklin
- Full Name: Lola Marie Tung
- Date of Birth: 2002 or 2003
- Hometown: New York, New York, U.S.
- Education: Graduated from LaGuardia High School of Music & Art and Performing Arts; Studied acting at Carnegie Mellon University School of Drama.
- Career Highlights: The Summer I Turned Pretty marks her breakout role. She became an overnight sensation, leading a major Prime Video production straight out of college.
- Character Arc in S3: Belly navigates the difficult choice between Jeremiah and Conrad, dealing with the fallout of a rushed engagement and the realization of her true feelings, finally finding her path to adulthood.
- Christopher Briney as Conrad Fisher
- Full Name: Christopher Thomas Briney
- Date of Birth: March 24, 1998
- Hometown: Danbury, Connecticut, U.S.
- Education: Graduated from Pace University with a BFA in Acting.
- Career Highlights: Known for his breakthrough role as Conrad Fisher. Prior to TSITP, he gained recognition for playing James Linton in the biographical film Dalíland (2022) and was also cast as Aaron Samuels in the 2024 movie musical Mean Girls.
- Character Arc in S3: Conrad continues his studies at Stanford University, grappling with his feelings for Belly and his brother, Jeremiah, while trying to move past his mother Susannah Fisher’s death. His journey is one of emotional vulnerability and acceptance.
- Gavin Casalegno as Jeremiah Fisher
- Full Name: Gavin Perry Casalegno
- Date of Birth: September 2, 1999
- Hometown: Dallas, Texas, U.S.
- Career Highlights: Began his career as a child model and actor, appearing in a Papa John's Pizza commercial. His early acting credits include Hear Me Whisper (2011) and a role in the film Noah (2014).
- Character Arc in S3: Jeremiah’s storyline focuses on his relationship with Belly, which is tested by a dramatic proposal and the underlying tension of Belly's history with Conrad. He faces the consequences of the complicated love triangle and his future at Brown University.
The Returning Ensemble: The Cousins Beach Family and Friends
No summer at Cousins Beach is complete without the supporting cast that forms the heart of the series. Season 3 saw the return of all key players, continuing their own compelling storylines, which added layers of depth to the overarching narrative.
- Sean Kaufman as Steven Conklin: Belly's older brother, Steven, returns, continuing his romance with Taylor and preparing for his post-college life. His role as the protective, sometimes overbearing, older sibling is crucial to Belly’s emotional support system.
- Rain Spencer as Taylor Jewel: Taylor, Belly's best friend, is a fan-favorite who returned to solidify her relationship with Steven. Her quick wit and loyalty provide much-needed comedic relief and emotional grounding.
- Jackie Chung as Laurel Park: Belly and Steven’s mother, Laurel, continues to navigate her grief and her career as an author. Her friendship with Susannah Fisher (Rachel Blanchard, appearing in flashbacks) remains a vital emotional anchor for the series.
- Alfred Woodard as Cleveland Castillo: The author and love interest of Laurel, Cleveland’s presence provides stability and wisdom, especially as Laurel faces new professional and personal challenges.
- David Iacono as Cam Cameron: The friendly face from Belly's past, Cam Cameron, returned for a few key moments, reminding viewers of the simpler times before the Fisher drama took over.
The return of these ensemble cast members ensures the show maintains its signature blend of teen drama and family warmth. The focus in the final season shifted heavily towards the complexities of young adulthood—college, career choices, and the transition away from the idyllic summers of their youth. The dynamics between the Conklin and Fisher families are the bedrock of the entire series, and their continued presence was essential for the show’s emotional payoff.
New Faces and Major Plot Twists in the Final Summer
As the story progresses into the events of the third book, We’ll Always Have Summer, the narrative required the introduction of new characters to reflect the changing environment—specifically, Belly’s life in college and the new social circles of the Fisher brothers. The 11-episode final season introduced several key figures that drove new conflicts and romantic possibilities, ensuring the final chapter felt fresh and unpredictable.
A major development in the casting was the confirmation that Kyra Sedgwick, who played Aunt Julia in Season 2, did not return for the final season. This absence was handled by the show's writers, who explained Julia's character arc had concluded with the resolution of the beach house ownership, allowing the focus to return entirely to the core group.
Key New Cast Members in Season 3
The introduction of new talent was critical for expanding the world beyond Cousins Beach. These actors brought to life characters that are integral to the plot of the third novel, challenging the main trio and forcing them to confront their relationship issues:
- Isabella Briggs as Denise: A new character who plays a significant role in Belly’s college life, acting as a new friend and confidant, helping Belly navigate the pressures of her sophomore year.
- Sofia Bryant: Known for her role in I Am Not Okay With This, Bryant joined the cast in a substantial role, reportedly as a new love interest or key figure in Jeremiah’s life during the engagement period, adding tension to the central conflict.
- Lily Donoghue: Donoghue’s character was introduced as a potential romantic foil for Conrad, forcing Belly to confront her jealousy and true feelings for him.
- Zoé de Grand’Maison: The Canadian actress, known for Orphan Black, took on a role that was highly anticipated by book readers, likely playing a character from the third book who challenges the status quo of the Fisher family dynamic.
- Emma Ishta and Tanner Zagarino: These two actors rounded out the new ensemble, playing peers or new acquaintances in the characters' college and social lives, ensuring the final season felt grounded in a realistic, evolving world.
The Legacy of the Final Summer: Post-Finale Buzz
With the series finale having aired on September 17, 2025, the conversation around the final choice—Team Conrad or Team Jeremiah—has reached a fever pitch. The show’s creator, Jenny Han, successfully adapted the emotional conclusion of her book series, staying true to the spirit of the source material while incorporating the necessary changes for the television format. The 11-episode length allowed for a more detailed exploration of the dramatic events, including the central engagement and its eventual dissolution.
The cast, particularly Lola Tung, Christopher Briney, and Gavin Casalegno, have become global icons of the Young Adult genre. Their performances in Season 3, which required them to portray characters facing adult decisions, have been widely praised by critics and fans alike. The show's success on Prime Video has paved the way for a potential feature-length film, which was announced shortly after the series conclusion, further extending the world of Cousins Beach and the beloved characters.
The topical authority of The Summer I Turned Pretty remains strong, influencing fashion, music, and summer culture. The final season’s cast will forever be remembered as the faces of Belly’s journey—a timeless story of first love, heartbreak, and finding oneself during the most beautiful and complicated summers of all.
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