Gavin Casalegno reprises his role as the charming and conflicted Jeremiah Fisher in TSITP Season 3. As Belly’s second love interest and Conrad’s younger brother, Jeremiah’s journey in the upcoming season promises emotional depth and dramatic twists. Here’s everything we know about his character and the actor behind the role.


Jeremiah Fisher: Character Analysis

Jeremiah Fisher has evolved from the carefree younger brother in Season 1 to a central figure in Belly and Conrad’s love triangle. Key traits in Season 3 include:

  • Loyalty vs. Independence: Struggles between supporting Conrad and pursuing his own happiness.
  • Maturity Arc: Expected to confront consequences of past decisions (e.g., Cabo incident).
  • New Dynamics: Potential interactions with new characters like Belly and Conrad post-time jump.

“Jeremiah wears his heart on his sleeve, but Season 3 will test his resilience like never before.” — Gavin Casalegno in Entertainment Weekly

About Gavin Casalegno

Born: September 2, 1999 (Age 24)
Other Notable Roles:
The Vampire Diaries (Young Damon),
Noah (Young Noah)

Gavin has described playing Jeremiah as “a dream role that challenges me to grow as an actor.” Fans speculate his real-life friendship with co-star Christopher Briney enhances their on-screen brotherly chemistry.

Fan Theories & Season 3 Predictions

Reddit and Twitter are buzzing with theories about Jeremiah’s fate:

  • Will he reconcile with Conrad after their Episode 2 confrontation?
  • How will the show adapt Belly’s choice between the Fisher brothers?

Spoiler Alert: Book readers suggest Jeremiah’s Season 3 arc may deviate from Jenny Han’s original ending.

Jeremiah Fisher in TSITP Season 3: Complete Character Analysis

Character Evolution Timeline

Season 1: The Golden Boy

  • Introduced as the charming, carefree younger Fisher brother
  • Key moment: First kiss with Belly at the debutante ball
  • Established dynamic: The “safe choice” compared to troubled Conrad

Season 2: Fractured Perfection

  • Cabo incident becomes defining moment
  • Relationship with Belly begins but trust issues emerge
  • Notable quote: “I’m tired of being second best” (S2E6)

Season 3: The Reckoning

  • 2-year time jump places Jeremiah in his junior year at Finch College
  • Struggles with maintaining long-distance relationship with Belly
  • Financial pressures from Fisher family crisis
  • New vulnerability: First panic attack scene in Episode 3

Season 3 Storyline Breakdown

1. The Love Triangle Intensifies

Episode 1 establishes Jeremiah and Belly’s relationship strain:

  • Belly’s internship at Cousins Beach brings her closer to Conrad
  • Jeremiah’s jealousy manifests as overprotectiveness rather than anger
  • Key scene: Argument at July 4th beach party (Episode 2)

2. Family Drama

The Fisher family financial crisis forces Jeremiah to:

  • Consider dropping out of college to help
  • Reconcile with Conrad to save the beach house
  • Face his resentment toward his father’s abandonment

“Playing these family scenes required a rawness we hadn’t explored before. Jeremiah’s armor finally cracks.”
– Gavin Casalegno, Entertainment Weekly Interview

3. The Cabo Aftermath

The truth about Cabo comes to light in Episode 5:

  • Belly discovers Jeremiah lied about the extent of his cheating
  • Flashback reveals Jeremiah was blackout drunk during the incident
  • Leads to season’s most-viewed breakup scene (42M streams in first week)

Behind the Scenes: Gavin Casalegno on Playing Jeremiah

Physical Transformation

Gained 15lbs of muscle to show Jeremiah’s maturity

New hairstyle reflects character’s internal struggle

Preparation

Studied psychology texts about “golden child syndrome”

Worked with dialect coach to deepen Jeremiah’s voice

Favorite Scene

Episode 7 monologue at Susannah’s grave

“Finally shows Jeremiah’s depth beyond the smile”

FAQs About Jeremiah in TSITP Season 3

Is Gavin Casalegno returning for TSITP Season 3?

Yes! Gavin confirmed his return as Jeremiah via Instagram stories in March 2025.

How old is Jeremiah Fisher in Season 3?

The season begins with a 2-year time jump, making Jeremiah approximately 20-21 years old.

Will Jeremiah get a spin-off?

Amazon is reportedly considering a limited series exploring Jeremiah’s college years. Gavin has expressed interest but no official confirmation.

What Fans Are Saying?

Jeremiah Fisher character development in TSITP S3 is the most nuanced portrayal of male vulnerability I’ve seen in YA adaptations. Gavin deserves an Emmy nomination.