The Summer I Turned Pretty season 3 is the third and final season of the Amazon Prime Video series created by Jenny Han, adapted from her bestselling trilogy. The series is a coming-of-age romantic drama that follows Isabel “Belly” Conklin and her emotional entanglement with the Fisher brothers, Jeremiah and Conrad. Season 3 airs on July 16, 2025, with a two-episode premiere, with new episodes releasing weekly until September 17, 2025.
The returning cast for The Summer I Turned Pretty season 3 includes Lola Tung as Belly, Christopher Briney as Conrad, Gavin Casalegno as Jeremiah, Sean Kaufman as Steven, Rain Spencer as Taylor, and Jackie Chung as Laurel.
New series regulars include Isabella Briggs and Kristen Connolly, while recurring additions feature Sofia Bryant, Lily Donoghue, Zoé de Grand’Maison, Emma Ishta, and Tanner Zagarino. Kyra Sedgwick, and possibly Elsie Fisher, who appeared in The Summer I Turned Pretty season 2, do not return.
Based on the third novel in the series, We’ll Always Have Summer, the third season of The Summer I Turned Pretty picks up two years after Belly chooses Jeremiah. As she prepares to marry him, complications arise when Conrad reappears. The 11-episode arc marks the conclusion of the series, developed by Amazon Studios, with Jenny Han and Sarah Kucserka as co-showrunners and co-executive producers.
The Summer I Turned Pretty season 3 cast overview
Lola Tung as Isabel “Belly” Conklin

Lola Tung plays Isabel “Belly” Conklin, the protagonist whose coming-of-age journey is central to the series. Belly’s emotional arc revolves around her evolving relationships with the Fisher brothers and her quest for identity.
Tung made her screen debut with this role, and her performance has remained a constant since the show’s launch in 2022. She is also set to appear in the upcoming reboot of I Know What You Did Last Summer.
Christopher Briney as Conrad Fisher

Christopher Briney returns as Conrad Fisher, the introspective and emotionally conflicted older brother of Jeremiah. Throughout the series, Conrad’s complex relationship with Belly has been shaped by his internal struggles and emotional distance. In season 3, Conrad’s reappearance after a two-year absence creates renewed tension as Belly plans her future with Jeremiah.
Outside The Summer I Turned Pretty, Briney has gained attention for his performance as James Linton in the biographical drama Dalíland. He also appeared as Aaron Samuels in the 2024 Mean Girls.
Gavin Casalegno as Jeremiah Fisher

Gavin Casalegno portrays Jeremiah Fisher, the outgoing and affectionate younger brother of Conrad. Jeremiah is known for his open-hearted nature and unwavering loyalty to Belly. In the third season, he is Belly’s fiancé, and their impending marriage becomes the catalyst for renewed emotional conflict when Conrad returns.
Casalegno’s other notable appearances include Trevor Strand in Walker and young Damon Salvatore in The Vampire Diaries. He also appeared in the biographical sports drama Queen of the Ring.
Sean Kaufman as Steven Conklin

Sean Kaufman reprises his role as Steven Conklin, Belly’s protective and academically driven older brother. His storyline continues with Taylor, with whom he begins a romantic relationship in season 2.
Kaufman has appeared in television dramas such as Manifest and FBI: Most Wanted. He also starred in Walker.
Rain Spencer as Taylor Jewel

Rain Spencer plays Taylor Jewel, Belly’s confident and outgoing best friend. Taylor frequently acts as Belly’s emotional support and plays a central role in Belly’s personal growth. She also has a romantic storyline with Steven.
Spencer is known for her role in the independent drama Good Girl Jane.
Jackie Chung as Laurel Park

Jackie Chung returns as Laurel Park, Belly and Steven’s mother. Laurel is a published novelist grappling with the loss of her best friend, Susannah. Her evolving storyline explores themes of grief, creativity, and reconnection.
Chung’s previous work includes guest appearances on Station 19 and Grey’s Anatomy.
Additional returning characters in The Summer I Turned Pretty season 3:
- Alfredo Narciso portrays Cleveland Castillo, a writer and Laurel’s former love interest. His character returns in season 3 amid suggestions of a rekindled relationship. Narciso is known for his roles in Manifest and Star Trek: Discovery.
- Rachel Blanchard played Susannah Fisher, the mother of Conrad and Jeremiah, and a central figure in the early seasons. Susannah’s death prior to season 2 continues to influence the narrative. Blanchard is known for her roles in You Me Her and Fargo.
- Colin Ferguson plays John Conklin, Laurel’s ex-husband and the father of Belly and Steven. He is a background character but adds to the family dynamic. Ferguson is known for his roles in Eureka and Haven.
- Tom Everett Scott returns as Adam Fisher, the estranged father of Conrad and Jeremiah. His involvement in the family’s future is revisited in season 2 when he agrees to purchase the beach house. He is known for his roles in 13 Reasons Why and One True Loves.
New cast members joining The Summer I Turned Pretty season 3:
- Isabella Briggs plays a new series regular, though her character’s name has not yet been officially revealed. She is known for her performances in Fatal Attraction and Sugar.
- Kristen Connolly joins as a series regular, with her character details also under wraps. Connolly is known for her work in Outer Range and The Cabin in the Woods.
- Sofia Bryant plays a new recurring character in season 3. She is known for her roles in I Am Not Okay With This and The Girl in the Woods.
- Lily Donoghue appears in a recurring role. Her previous credits include Daisy Jones & the Six and Grey’s Anatomy.
- Zoé de Grand’Maison also joins in a recurring capacity. She is recognized for her performances in Orphan Black and Riverdale.
- Emma Ishta joins the show in a recurring role. She is best known for her work in Stitchers and Chicago Med.
- Tanner Zagarino appears as a recurring character. He has previously acted in 9-1-1: Lone Star and Aftermath.
The Summer I Turned Pretty season 3 behind the scenes and production insights

Jenny Han returns as the showrunner and executive producer for season 3, working alongside Sarah Kucserka. The Summer I Turned Pretty is based on Han’s 2009 novel trilogy. Jesse Peretz returns to direct several episodes, while the writing team also includes Han and Kucserka, along with others like Robin Wasserman and Jessica O’Toole.
The Summer I Turned Pretty was renewed for a third season in August 2023 before season 2 concluded. Production was delayed due to the WGA and SAG-AFTRA strikes but resumed in early 2024. Filming began in Wilmington, North Carolina, in May 2024, with additional scenes shot in Paris in October 2024. Amazon confirmed the production kickoff through a video clip featuring the main cast.
What can we expect from The Summer I Turned Pretty season 3?

The Summer I Turned Pretty season 3 takes place two years after Belly chose to be with Jeremiah. The official synopsis states that Belly is planning a wedding with Jeremiah when Conrad returns to her life. This forces her to confront past emotions.
The trailer teases multiple key events, including a wedding scene and the return of Conrad from California. Belly’s narration in the trailer highlights her emotional confusion.
“When I’m with Jer, everything is easier. But everywhere I go, there’s a memory of Conrad,” she says.
The Summer I Turned Pretty continues to explore Belly’s evolving identity and emotional journey.
While the creators remain tight-lipped about major plot twists, Lola Tung did reveal one fun detail about her character’s evolution in an interview with Entertainment Weekly, published on March 31, 2025: Belly gets a cartilage piercing in season 3. Jenny Han also teased that the season would contain unexpected developments, noting that while fans may feel confident about what they know, there are still surprises that will catch them off guard.
Although Amazon Prime Video executives hinted at potential spinoffs in 2023, no official announcements have been made. For now, the 11-episode season will conclude the story of The Summer I Turned Pretty.
The Summer I Turned Pretty season 3 will premiere its first two episodes on July 16, 2025, on Amazon Prime Video.