The Summer I Turned Pretty Season 3 Full Cast List

Summary:

  • The Summer I Turned Pretty Season 3 premiered on July 16 on Prime Video.

  • Lola Tung, Christopher Briney, and Gavin Casalegno lead the returning cast.

  • New episodes air weekly until the season finale on September 17.

Meet the Stars of The Summer I Turned Pretty Season 3

Season 3 of The Summer I Turned Pretty, the final chapter in the coming-of-age romantic drama, officially premiered on Prime Video on July 16. The show returns with its central love triangle—Belly, Conrad, and Jeremiah—set for its most emotional season yet. With each episode, fans inch closer to discovering which brother Belly will ultimately choose.

Who Plays Belly in The Summer I Turned Pretty Season 3?

The Summer I Turned Pretty Season 3 - Official Teaser _ Prime Video
Lola Tung as Belly Conklin in The Summer I Turned Pretty Season 3 – Official Teaser _ Prime Video

Lola Tung returns as Belly Conklin, the show’s central character and narrator. Belly, now a junior at Finch College, is navigating adulthood while still caught in a deep emotional conflict between her current boyfriend Jeremiah and her first love, Conrad.

Lola Tung, age 22, is a Scorpio and has also appeared in Hadestown and Forbidden Fruits. She brings a grounded and emotional depth to the role of Belly, who remains the heart of the series.

READ MORE: Madea’s Destination Wedding: Madea Family Tree Explained

Who Are the Fisher Brothers in The Summer I Turned Pretty Season 3?

The Summer I Turned Pretty _ Prime Video
Fisher Brothers in The Summer I Turned Pretty _ Prime Video

Christopher Briney plays Conrad Fisher, Belly’s first love and the older Fisher brother. Conrad, now studying medicine at Stanford University, remains a central figure in Belly’s life, and his presence continues to stir unresolved feelings.

Briney, age 27 and an Aries, is known for his roles in Mean Girls (2024), Daliland, Want This, and Under the Covers.

Gavin Casalegno portrays Jeremiah Fisher, Belly’s current boyfriend and Conrad’s younger brother. As a senior at Finch College, Jeremiah, or “Jere,” is Belly’s closest companion and confidante. His open-hearted personality contrasts with Conrad’s complexity, intensifying the emotional tension.

Casalegno, age 25 and a Virgo, has previously starred in Queen of the Ring, Walker, The Unhealer, Nine Seconds, Vampire Diaries, and When the Game Stands Tall.

READ MORE: Does Belly Go to Paris in Summer I Turned Pretty Season 3

Which Supporting Characters Return in The Summer I Turned Pretty Season 3?

The Summer I Turned Pretty Season 3 - Prime Video
The Summer I Turned Pretty Season 3 – Prime Video

Rain Spencer returns as Taylor, Belly’s loyal best friend. Taylor, a fellow Finch junior, is currently in a situationship with Steven, Belly’s older brother. Once a supporter of Conrad, she now roots for Jeremiah.

Spencer, age 25 and a Pisces, is known for her work in Test Screening, Good Girl Jane, and A Better Paradise Volume One: An Aftermath.

Sean Kaufman reprises his role as Steven, Belly’s older brother and Taylor’s love interest. Steven remains close with both Conrad and Jeremiah and has always supported Conrad’s bond with Belly.

Kaufman, age 25 and a Cancer, has appeared in FBI: Most Wanted, Walker, Fire Burning, Manifest, and Law & Order: SVU.

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Who Plays the Parents and Friends in Season 3 of The Summer I Turned Pretty?

The Summer I Turned Pretty Season 3 - Official Teaser _ Prime Video
The Summer I Turned Pretty Season 3 – Official Teaser _ Prime Video

Several secondary characters also return for the third season:

  • Jackie Chung as Laurel, Belly and Steven’s mother

  • Colin Ferguson as John, their father

  • Kristen Connolly as Lucinda Jewel, Taylor’s mom

  • Sofia Bryant as Anika, Belly’s close friend

  • Zoé De Grand Maison as Agnes, a friend of Conrad

  • Tanner Zagarino as Redbird, a friend of Jeremiah

  • Isabella Briggs as Denise, Steven’s coworker

  • Lily Donoghue as Lacie, a girl who hooks up with Jeremiah

These supporting roles add emotional depth and narrative complexity to the evolving storylines in Season 3.

READ MORE: Summer I Turned Pretty Season 3 Release Schedule

When and Where Can You Watch The Summer I Turned Pretty Season 3?

Season 3 debuted on Prime Video on July 16, beginning with the first two episodes. New episodes release every Wednesday at 3 a.m. ET / 12 a.m. PT, culminating in a season finale on September 17.

All episodes from The Summer I Turned Pretty Seasons 1 and 2 are also available for streaming on Prime Video. The show is included with an Amazon Prime subscription, which starts at $14.99/month or $139/year.

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