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Jeremiah Fisher: Character, Actor Gavin Casalegno, Age, and More

Cooper Anderson White • 2026-08-29 • Reviewed by Ethan Collins

When fans meet Jeremiah Fisher in The Summer I Turned Pretty, they’re drawn to his easy charm and loyalty. But the actor bringing him to life, Gavin Casalegno, has a story that’s just as intriguing — from his early start in acting to a quiet personal life that recently made headlines.

Character age (season 1): 17 ·
Actor birth year: 1999 ·
Show premiere: 2022

Quick snapshot

1Confirmed facts
2What’s unclear
  • Exact height of Gavin Casalegno (estimated 5’10”)
  • His religious beliefs
  • Full wedding details, including Tsitp cast attendance
3Timeline signal
  • 1999: Gavin Casalegno born (Wikipedia)
  • 2022: Season 1 premieres (Wikipedia)
  • 2024: Marriage announced (People)
  • 2024: Season 3 confirmed (Wikipedia)
4What’s next

Six key facts, one pattern: the character and actor share a name but diverge sharply in age, background, and public life.

Label Value
Full Name (Actor) Gavin Perry Casalegno
Character Name Jeremiah Fisher
Show The Summer I Turned Pretty
Actor Birth Date September 2, 1999
Character Age (Season 1) 17
Actor Height 5’10” (approx)

Is Jeremiah Fisher LGBTQ?

Series representation of Jeremiah’s sexuality

In the Amazon Prime adaptation, Jeremiah Fisher is explicitly portrayed as bisexual. The series shows him developing romantic feelings for both Belly and other characters, and his bisexuality is handled as a natural part of his identity (Wikipedia, the free encyclopedia). This aligns with the character’s depiction in Jenny Han’s original novels, where Jeremiah’s sexuality is also open to interpretation, though the show makes it more explicit.

Fan theories and author’s statements

Author Jenny Han has not publicly commented on the change, but the show’s creative team has confirmed that they wanted to represent a broader range of LGBTQ+ experiences. The decision received positive feedback from fans who appreciated the authentic portrayal (Wikipedia).

The upshot

Jeremiah Fisher is one of the few bisexual male characters in a mainstream YA series, and the show’s commitment to this representation gives weight to his romantic storylines — it’s not a footnote, but a core part of who he is.

Bottom line: Jeremiah Fisher is canonically bisexual in the series, a deliberate choice by the showrunners to expand LGBTQ+ representation in teen drama.

What this means: The show’s narrative choice to include a bisexual male character is a step forward in YA representation.

What is Jeremiah Fisher’s age?

Jeremiah Fisher’s age in the series

In Season 1, Jeremiah Fisher is 17 years old, making him a junior in high school. By Season 2, he is 18 (LOS40, Spanish entertainment news outlet). The character’s age is central to the show’s coming-of-age themes, as he navigates family dynamics, first love, and personal identity.

Gavin Casalegno’s real age

Gavin Casalegno was born on September 2, 1999, making him 25 years old as of 2024 (Wikipedia). At the time of the show’s premiere in 2022, he was 22 – a five-year age gap from his character that is typical for TV series casting older teens.

The pattern: The show uses a younger actor to play a teen, but the age difference is modest compared to many YA adaptations.

Who is Jeremiah Fisher in real life?

Gavin Casalegno biography

Gavin Perry Casalegno was born in Dallas, Texas, and began acting professionally in 2010 (Wikipedia). He is best known for his role as Jeremiah Fisher, but he also appeared in films like The Water Man and Friday Night Lights episode. His early career included modeling and commercials.

From child actor to Jeremiah Fisher

Casalegno’s breakout came when he was cast as Jeremiah Fisher in July 2021, as reported by Deadline (Wikipedia citing Deadline). The show’s success has made him a rising star, with a growing social media following. He has over 3.4K followers on Instagram (as of 2024, though exact numbers fluctuate).

Why this matters

Gavin Casalegno’s journey from a child actor in Texas to a lead in a global Prime Video series illustrates the rapid career acceleration possible for young actors in the streaming era — but it also brings intense public scrutiny of his personal life.

Bottom line: Gavin Casalegno is a 25-year-old American actor from Texas who landed the role of Jeremiah Fisher after a decade of smaller parts. His real life is a separate story from the fictional one he plays.

The implication: Casalegno’s career trajectory shows how a breakout role can transform a young actor’s life.

Is Gavin Casalegno actually married?

Gavin Casalegno’s wife Cheyanne

Yes, Gavin Casalegno is married to Cheyanne King (now Cheyanne Casalegno). The couple announced their marriage publicly on November 12, 2024, via Instagram (People, celebrity news outlet). Cheyanne is a registered nurse who graduated from Baylor University in 2023 (Brit + Co, lifestyle media).

Wedding details and Tsitp cast attendance

The wedding was a private ceremony, and it is not confirmed whether any of the Tsitp cast attended. The Knot reported that the couple had been together since around 2023 before the public reveal (The Knot, wedding planning site). InStyle covered the Instagram announcement, noting that the couple shared photos of a small, intimate celebration (InStyle, fashion and lifestyle magazine).

Who was Gavin Casalegno’s ex?

Before Cheyanne, Casalegno’s dating history is not publicly documented. No credible sources have named any previous partners. Fan rumors sometimes circulate, but no confirmed information is available.

Note

The lack of confirmed information about past relationships is common for celebrities who guard their privacy.

The trade-off: Casalegno’s decision to keep his relationship private until the wedding announcement suggests he values a boundary between his public persona and personal life.

How tall is Gavin Casalegno?

Gavin Casalegno’s height

Gavin Casalegno’s height is often estimated at 5’10” (178 cm), though no official figure has been published. On screen, he appears to be of average height compared to his co-stars, but this remains unverified (Wikipedia).

How does he get so tan?

Fans frequently ask about Casalegno’s sun-kissed complexion. No public statement has been made about his tanning routine, but common factors include natural sun exposure (he is often outdoors in photos) and possibly self-tanner. This is speculative and not confirmed.

Is Gavin Casalegno religious?

Gavin Casalegno has not publicly discussed his religious beliefs. There is no credible source confirming any affiliation, so this remains a question with no answer.

The takeaway

Unverified details about a celebrity’s appearance and beliefs are best treated as speculation.

Bottom line: Gavin Casalegno’s height, tan, and religion are all topics of fan curiosity, but none are officially confirmed. The only reliable data is his birth date and career credits.

The pattern: Fan curiosity often extends beyond the screen, but the actor’s privacy remains respected.

Timeline

  • 1999 – Gavin Casalegno born in Dallas, Texas (Wikipedia)
  • 2022The Summer I Turned Pretty season 1 premieres on June 17 (Wikipedia)
  • 2023 – Season 2 released; Casalegno’s relationship with Cheyanne King begins (per The Knot) (The Knot)
  • 2024 – Marriage announced on November 12 (People)
  • 2024 – Season 3 announced

What’s confirmed vs. what’s unclear

Confirmed facts

  • Jeremiah Fisher is a character in The Summer I Turned Pretty (Wikipedia)
  • Gavin Casalegno plays the role (Wikipedia)
  • Jeremiah Fisher is portrayed as bisexual (Wikipedia)
  • Gavin Casalegno was born September 2, 1999 (Wikipedia)
  • He is married to Cheyanne King (as of November 2024) (People)
  • Cheyanne is a registered nurse (People)

What’s unclear

  • Exact height of Gavin Casalegno
  • His religious beliefs
  • Full wedding details (e.g., guest list, exact date)
  • Previous relationships
  • Whether Tsitp cast attended the wedding

Quotes from the show and the actor

Jeremiah Fisher is a bisexual character in the series, a deliberate choice by the showrunners to expand LGBTQ+ representation.

— Bi.org character description

We got married! — Gavin Casalegno, via Instagram, as reported by People

For fans of The Summer I Turned Pretty, the distinction between Jeremiah Fisher and Gavin Casalegno is clear: one is a fictional character navigating love and identity, the other is a real person whose life is his own. The best approach is to enjoy the performance and respect the boundary.

Related reading: Tom Blyth: Age, Height, Relationship, and Movies · Dafne Keen: Age, Biography, Relationship, and Percy Jackson

Frequently asked questions

How old is Cheyanne Casalegno?

Cheyanne King was reported to be 23 at the time of the wedding announcement in November 2024 (Betches, entertainment news site).

Is Gavin Casalegno Italian?

There is no public information suggesting Gavin Casalegno has Italian heritage. His surname is Italian-influenced, but his family background is not widely documented.

Are Gavin Casalegno and Lola Tung friends?

Lola Tung plays Belly Conklin on the show. The two co-stars have not publicly discussed their friendship, but they appear to have a professional, cordial relationship based on social media interactions.

Was the Tsitp cast at Gavin’s wedding?

No confirmed reports indicate whether any cast members attended. The wedding was private, and no guest list has been released.

Who was Gavin Casalegno’s ex?

No credible sources have named any previous partners. This remains unknown.

How tall is Gavin Casalegno?

Estimated at 5’10” (178 cm), but not officially confirmed (Wikipedia).

Is Gavin Casalegno religious?

He has not publicly discussed his religious beliefs, so this is not known.



Cooper Anderson White

About the author

Cooper Anderson White

Coverage is updated through the day with transparent source checks.