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The Summer I Turned Pretty cast: Meet the characters in season 3

Say hello to the new and returning faces in the Prime Video drama's final season.

Lola Tung as Belly, Gavin Casalegno as Jeremiah, Christopher Briney as Conrad, Sean Kaufman as Steven and Rain Spencer as Taylor all gathered in a group at the beach, sitting on camp chairs, in their swimwear

Erika Doss © AMAZON

Published: Wednesday, 16 July 2025 at 11:00 am

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And just like that, the third and final season of The Summer I Turned Pretty has arrived on Prime Video.

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Speaking about what it was like saying goodbye to her character Belly, actor Lola Tung told Deadline: "I remember when we were filming the first season, I was like, 'Wow, this is gonna come out in a year, it feels so far away and I hope we get a second season.'

"It’s crazy how fast time has gone by."

Gavin Casalegno, who plays Jeremiah, went on to say that it was "more bitter than it was sweet".

"Getting to grow with these characters for the last couple of years has been so much fun," he added. "Especially seeing how well received all of our characters are to people has been really cool. And getting to bring life to the books. I think we’re all really excited, and it was really sweet."

A number of other faces have also returned for season 3, plus some new additions who are bound to shake up proceedings.

Find the full cast rundown below.

The Summer I Turned Pretty cast: New and returning characters

The following stars have been confirmed for the cast of The Summer I Turned Pretty:

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For more information about the characters in The Summer I Turned Pretty season 3 and where you've seen the actors before, read on

Lola Tung plays Belly

Lola Tung as Belly, sat on the ground, wearing a grey jumper and red sunglasses, smiling

Lola Tung as Belly. Prime Video

Who is Belly? The ongoing drama with brothers Conrad and Jeremiah have been a permanent feature in Belly's life. But who will she choose in season 3?

Where have I seen Lola Tung before? The Summer I Turned Pretty is Tung's only project to date.

Christopher Briney plays Conrad

Christopher Briney as Conrad standing behind a curtain in what looks like a hospital or medical facility. There's a cabinet containing medication beside him, he's wearing a doctor's coat and talking on the phone

Christopher Briney as Conrad. Erika Doss © AMAZON

Who is Conrad? Conrad and Belly used to be in a relationship and were one another's first loves, but they broke up at Belly's prom in season 2. Yet, their feelings for each other haven't gone away...

Where have I seen Cristopher Briney before? The Summer I Turned Pretty is his biggest role to date.

Gavin Casalegno plays Jeremiah

Lola Tung as Belly and Gavin Casalegno as Jeremiah, leaning on one another while sat on some porch steps. She's wearing a summer dress and wedges, he's wearing a shirt, vest and chinos

Belly (Lola Tung) and Jeremiah (Gavin Casalegno). Erika Doss © AMAZON

Who is Jeremiah? Conrad's brother. At the beginning of season 3, he's in a relationship with Belly, but things are far from plain sailing...

Where have I seen Gavin Casalegno before? Casalegno has appeared in action crime drama Walker and The Vampire Diaries, and he had a small role in the Russell Crowe film Noah.

Sean Kaufman plays Steven

Steven sat in the back seat of a car looking out the window

Prime Video

Who is Steven? Belly's brother. The pair are prone to clashing, but they're also there for one another in times of need.

Where have I seen Sean Kaufman before? He's has appeared in Manifest and Law & Order: Special Victims Unit.

Rain Spencer as Taylor

Rain Spencer as Taylor, sat on a chair, head leaning on her hand

Rain Spencer as Taylor. Prime Video

Who is Taylor? Belly's best friend. She's locked in an on-off romance with Steven, despite having a new boyfriend.

Where have I seen Rain Spencer? She appeared in 2022 film Good Girl Jane starring Andie MacDowell.

Jackie Chung plays Laurel

Jackie Chung as Laurel, sat in her office at her desk, on the phone

Jackie Chung as Laurel. Prime Video

Who is Laurel? An author and mother to Belly and Steven.

Where have I seen Jackie Chung before? Chung has appeared in Grey's Anatomy and Station 19, among others.

Additional The Summer I Turned Pretty season 3 cast includes:

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Stream The Summer I Turned Pretty on Prime Video – try Amazon Prime Video for free for 30 days. Plus, read our guides to the best Amazon Prime series and the best movies on Amazon Prime.

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For more news, interviews and features, visit our Drama hub, or find something to watch now with our TV Guide and Streaming Guide. For more from the biggest stars in TV, listen to The Radio Times Podcast.

Authors

A head and shoulders shot of Abby Robinson. She is in front of a grey background, looking at the camera and smiling. She wears a black zipped-up jacket with an elaborate gold and maroon design

Abby RobinsonDrama Editor

Abby Robinson is the Drama Editor for Radio Times, covering TV drama and comedy titles. She previously worked at Digital Spy as a TV writer, and as a content writer at Mumsnet. She possesses a postgraduate diploma and a degree in English Studies.

Black and white cut-out portrait headshot of James Hibbs, smiling against a lime green background.

James HibbsDrama Writer

James Hibbs is a Drama Writer for Radio Times, covering programmes across both streaming platforms and linear channels. He previously worked in PR, first for a B2B agency and subsequently for international TV production company Fremantle. He possesses a BA in English and Theatre Studies and an NCTJ Level 5 Diploma in Journalism.

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