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Photo of Jack Gleeson

Photo: Miguel Discart & Kiri Karma (Photos Vrac) / CC BY-SA 2.0 (source: Wikimedia Commons)

Jack Gleeson

ジャック・グリーソン / じゃっく・ぐりーそん

Actor from Ireland

May 20, 1992 (age 34) ・ Cork, County Cork, Ireland

  • County Cork
  • actor
  • film actor
  • television actor

My Take

Jack Gleeson earned my respect twice over. First for Joffrey: making millions of viewers genuinely loathe a teenage character requires precision, not luck, and his petulant cruelty was one of the most controlled performances in Game of Thrones. Second, and more impressively, for walking away. At peak fame he stepped back for six years to study at Trinity College rather than cash in, then returned on his own terms in smaller, well-chosen projects. That kind of self-possession in a young actor is rarer than talent itself. I suspect his second act will quietly outclass the role that made him famous.

Overview

Jack Gleeson (born 20 May 1992) is an Irish actor. He is best known for portraying Joffrey Baratheon in the HBO television series Game of Thrones (2011–2014). Following this role, Gleeson took a six-year hiatus from screen acting. He returned to the screen in 2020 and has since appeared in the Irish film In the Land of Saints and Sinners (2023) and the series The Sandman (2025) and House of Guinness (2025).

Summary adapted from Wikipedia, licensed under CC BY-SA 4.0.

1. Profile

Name (English)
Jack Gleeson
Name (Japanese)
ジャック・グリーソン
Reading
じゃっく・ぐりーそん
Born
May 20, 1992 (age 34)
Zodiac / Chinese zodiac
Taurus / Monkey
Origin
Cork, County Cork, Ireland
Blood type
Private
Height
Private
Agency
Private
Occupation
actor / film actor / television actor

2. Background

Elementary school
Private
Junior high
Private
High school
Private
University
Trinity College, Dublin

3. Relationships

Spouse
Private
Children
Private
Parents
Private
Siblings
Private

4. Personality

Motto

Private

5. Works & records

CategoryTitleRoleYear
Notable workIn the Land of Saints and Sinners

Actor — see all → · Film actor — see all → · More people from Ireland →

7. About this entry

Tags

  • County Cork
  • actor
  • film actor
  • television actor
Last updated
2026-06-11

Facts are limited to publicly available information up to 2024; non-public items are marked "Private / Unknown". English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.