What Happened to Jack Gleeson? Stage, Puck and Guinness in 2026

If you watched Game of Thrones in its early years, you probably remember exactly how it felt to hate King Joffrey Baratheon. The sneer, the crossbow, the wedding everyone cheered for. And then, almost as soon as the character was gone, the young actor behind him seemed to vanish too, announcing he was done with screen acting in his early twenties. So whatever happened to Jack Gleeson? The short answer: he never really stopped working. He just changed the terms. Here’s the full story, up to his return in Netflix’s House of Guinness.

01Profile

Full name

Jack Gleeson

Born

May 20, 1992, Cork, Ireland

Age

34 (as of September 2026)

Nationality

Irish

Education

Trinity College Dublin (philosophy and theology; elected a scholar in 2012)

Known for

Joffrey Baratheon in Game of Thrones (2011–2014)

Recent work

The Sandman season 2 (2025), House of Guinness (2025– )

Other work

Co-founder of Dublin's Collapsing Horse Theatre Company

For someone who played the most loathed teenager in television history, Gleeson’s résumé is surprisingly gentle: scholarship, puppets, fringe theater. It’s a very different picture from the one most viewers still carry around.

02The Rise: From Child Actor to King Joffrey

A Cork kid with an early start

Gleeson was born in Cork and started acting as a child, doing stage work before landing small film parts. One of his earliest screen appearances was a brief role in Christopher Nolan’s Batman Begins (2005), and he followed that with parts in Irish productions such as the horror film Shrooms (2007) and the family drama A Shine of Rainbows (2009). None of these made him famous, but they gave him a working familiarity with sets at an age when most kids are still figuring out secondary school.

The audition that changed everything

In 2009 and 2010, HBO was casting its ambitious adaptation of George R.R. Martin’s A Song of Ice and Fire. Gleeson won the part of Joffrey Baratheon, the cruel young heir to the Iron Throne, and when Game of Thrones premiered in 2011 he was still a teenager. The show exploded into a global phenomenon, and Joffrey became its first great villain: petulant, sadistic and utterly convincing.

Being hated for a living

Here’s the thing people often forget: being loathed as Joffrey was a sign that Gleeson was doing his job extremely well. Co-stars and critics repeatedly praised how completely he committed to a character with almost no redeeming qualities. Over four seasons, Joffrey’s cruelty drove some of the show’s most notorious moments, which made his death at his own wedding in season four, broadcast in April 2014, one of the most talked-about episodes of the decade.

03The Turning Point: Walking Away From Fame

Just as the character exited, Gleeson made headlines of his own. Around 2012 and 2013 he began telling interviewers he planned to step back from professional screen acting once his time on the show ended. It was an astonishing thing to hear from a young actor on one of the biggest series in the world, and the press quickly framed it as “retirement.”

He explained his thinking most fully in a January 2014 address at the Oxford Union. Speaking about celebrity culture, he was frank and self-deprecating, noting that the Union had hosted great historical figures while he had simply acted in a TV show and pretended to be mean for money.

I detested the superficial elevation and commodification of it all, juxtaposed with the grotesque self-involvement it would sometimes draw out of me. — Jack Gleeson, speaking at the Oxford Union, January 2014

Crucially, Gleeson has since pushed back on a popular fan theory that he left because of the vitriol aimed at Joffrey. In a 2025 video interview widely shared online, he said that, thankfully, the break wasn’t because he’d received any abuse from anybody. The decision, as he has framed it, was about his relationship with fame, not with the audience.

• 2005Small role in Batman Begins, one of his first screen credits.
• 2011Game of Thrones premieres on HBO with Gleeson as Joffrey Baratheon.
• 2012Elected a scholar at Trinity College Dublin while studying philosophy and theology.
• 2014Joffrey is killed off in season four; Gleeson speaks at the Oxford Union about his discomfort with celebrity.
• 2014–2015His company's show Bears in Space plays the Edinburgh Fringe and transfers to London's Soho Theatre.
• 2020Returns to television in the BBC Two comedy Out of Her Mind.
• 2023Appears in the BBC's The Famous Five and the film In the Land of Saints and Sinners.
• 2025Plays Puck in The Sandman season 2 and Byron Hedges in House of Guinness.

04The Quiet Years: Theater and Trinity College

Books before blockbusters

While Game of Thrones was filming, Gleeson was also a university student. He studied philosophy and theology at Trinity College Dublin and was elected a scholar in 2012, one of the college’s most competitive academic honors. For a while, he spoke about possibly pursuing an academic path, and that intellectual streak is still visible in the thoughtful, slightly wry way he talks about his work.

Collapsing Horse: making it on his own terms

The more lasting project was theater. With fellow Trinity students Aaron Heffernan, Eoghan Quinn and Dan Colley, Gleeson co-founded Collapsing Horse Theatre Company in Dublin. The group made scrappy, low-budget, often very funny shows that toured to venues in Ireland, London and beyond.

Their best-known production, Bears in Space, featured puppets and a gleefully absurd story, and it did well enough at the 2014 Edinburgh Festival Fringe to transfer to London’s Soho Theatre in 2015. Coverage at the time noted, with some amusement, that the boy-king from Westeros was now voicing puppet bears in a fringe comedy. But that was rather the point. Collapsing Horse let him keep performing and writing without the machinery of global celebrity attached.

Why this chapter matters

It’s easy to call this period a “disappearance,” but you could just as fairly call it an apprenticeship. Gleeson spent years learning how to build shows from scratch, collaborate with friends and perform for small rooms. When he eventually returned to screen work, it was clearly by choice rather than necessity, and the roles he picked reflected that.

05What Jack Gleeson Is Doing Now

The gradual comeback

Gleeson’s return to the screen was deliberately low-key. In 2020 he appeared in Sara Pascoe’s BBC Two comedy Out of Her Mind, in a playful, self-aware role that leaned on audiences’ memories of Joffrey. In 2023 he turned up, sporting a mullet and moustache, as Wentworth in the BBC’s reboot of The Famous Five, and he also appeared in the Irish thriller In the Land of Saints and Sinners. Each step was small, but together they made one thing clear: the “retired” actor was quietly back.

Puck in The Sandman

The biggest signal came with Netflix’s The Sandman. For the show’s second season, released in 2025, Gleeson was cast as Puck, the mischievous hobgoblin of Faerie who delights in making sport of mortals and who inspired Shakespeare’s character in A Midsummer Night’s Dream. He appeared across five episodes, and entertainment outlets described it as his first major American television role since Game of Thrones. Plenty of fans noted that a gleefully malicious trickster was an inspired fit.

Byron Hedges in House of Guinness

Then came House of Guinness, Steven Knight’s period drama about the famous brewing dynasty, which premiered on Netflix on September 25, 2025. Gleeson plays Byron Hedges, a man caught between worlds in 19th-century Dublin as the son of a wealthy Protestant mother and a Catholic rebel father. In an interview with Netflix’s Tudum, he described the character as ambitious and opportunistic.

He’s in this special position that he can use to gain leverage on the Guinness family. — Jack Gleeson, interview with Netflix Tudum, September 2025

Season 2 and what’s next

The show has given Gleeson his steadiest screen work in over a decade. According to Variety, Netflix renewed House of Guinness for a second season in June 2026, and later reporting, including from RTÉ in August 2026, listed Gleeson among the returning cast. Filming on the new season is reported to begin in January 2027, with no release date announced yet. Byron’s scheming is expected to play a bigger role as the Guinness business looks toward America, according to Netflix’s own previews.

Gleeson still keeps a noticeably low public profile. He doesn’t appear to maintain official public social media accounts, and he tends to do press only around specific projects. If you want to follow him, the best bet is simply to watch for his next credit.

06Summary

Jack Gleeson’s story isn’t really about quitting. It’s about a young actor who became extremely famous very quickly, decided he didn’t like what that did to him, and found another way to keep doing the work he loved. After a decade of university, puppets and fringe theater, he has built a second screen career playing tricksters and schemers on his own schedule.

So the next time someone asks whatever happened to King Joffrey’s actor, you can tell them: he took the long way round, and he seems a lot happier for it. With House of Guinness returning, you’ll be seeing more of him soon.