Jack Gleeson Biography: Joffrey Baratheon, Wife, Theater, College, Age, Net Worth, Height, Sisters, Marriage

Jack Gleeson is an Irish actor widely recognized for his portrayal of the antagonist Joffrey Baratheon in HBO’s acclaimed series Game of Thrones (2011–2014), a role that earned him international recognition.

Beginning his career early, he appeared in films such as Batman Begins (2005) and A Shine of Rainbows (2009).

Following Game of Thrones, Gleeson shifted his focus to theater and academics, founding the Collapsing Horse Theatre Company in Dublin and pursuing studies in philosophy and theology at Trinity College Dublin.

Despite offers to return to mainstream film and television, he remains selective, prioritizing his passion for theater and academic interests over widespread fame.

Profile

• Full Name: Jack Gleeson
• Stage Name: Jack Gleeson
• Born: 20 May 1992
• Age: 33 years old
• Birthplace: Cork, Ireland
• Nationality: Irish
• Occupation: Irish actor
• Height: 1.7 m
• Parent: Mr. and Mrs. Gleeson
• Siblings: Rachel Gleeson, Emma Gleeson, Hannah Gleeson
• Spouse: Róisín O’Mahony (m. 2022)
• Children: Unknown
• Relationship: Married
• Net Worth: $6 million

Early Life And Education

Jack Gleeson was born on May 20, 1992, in Cork, Ireland, born to his parents whose names are unknown but can be referred to as Mr. and Mrs. Gleeson.

He grew up in Ranelagh, Dublin, alongside his three sisters—Rachel, Emma, and Hannah—who are all involved in Irish theatre.

Gleeson attended Gonzaga College, a private school in Dublin, before enrolling at Trinity College Dublin, where he studied philosophy and theology from 2010 to 2015.

During his time at Trinity, he was elected a scholar in 2012 and actively participated in university theatre groups.

He is of Irish ethnicity, Gleeson’s personal religious beliefs have not been publicly disclosed.

Career

Jack Gleeson began his acting career as a child, joining the Independent Theatre Workshop in Dublin at the age of eight.

Early in his career, he appeared in films such as Reign of Fire (2002), Batman Begins (2005), Shrooms (2007), and A Shine of Rainbows (2009).

His critically praised performance in All Good Children (2010) marked him as a promising young talent, leading to his breakthrough role as the cruel teenage king Joffrey Baratheon in HBO’s Game of Thrones (2011–2014).

This role earned him international fame and several award nominations, including from IGN and the Saturn Awards, with Gleeson citing Joaquin Phoenix’s portrayal of Commodus in Gladiator as a key influence.

Following the conclusion of Game of Thrones, Gleeson chose to step back from mainstream acting to focus on academics and theater.

He studied philosophy and theology at Trinity College Dublin as a scholar and co-founded the Collapsing Horse Theatre Company.

With this company, he developed and performed original productions like Monster / Clock and Bears in Space, which toured internationally, including an off-Broadway run in New York.

His commitment to theater and intellectual pursuits has been a defining aspect of his career since.

While Gleeson has made occasional returns to screen acting, including roles in the BBC miniseries Out of Her Mind (2020), the Irish thriller In the Land of Saints and Sinners (2023), and TV series such as Sex Education and The Famous Five (2023), he remains selective about his projects.

Upcoming appearances in Safe Harbor (2025) and The Sandman season 2 reflect his careful balance between screen roles, theater work, and academic interests, consciously avoiding the typical pressures of celebrity despite his widespread recognition.

Social Media

• Instagram handle: @gleeson1542
• Twitter handle: @JackGleeson_

Personal Life

Jack Gleeson married actress and comedian Róisín O’Mahony in August 2022, with their wedding ceremony held at the Sacred Heart Church in The Glen, Ballinskelligs.

The couple maintains a private personal life, and there is currently no public information regarding children.

Filmography

Film:

• Reign of Fire (2002)
• Batman Begins (2005)
• Shrooms (2007)
• A Shine of Rainbows (2009)
• All Good Children (2010)
• Chat (2016, short film)
• Rebecca’s Boyfriend (2021)
• In the Land of Saints and Sinners (2023)

Television:

• Killinaskully (2003–2008)
• Game of Thrones (2011–2014)
• Out of Her Mind (2020)
• Sex Education (2023)
• The Famous Five (2023–2024)
• Safe Harbor (2025)
• The Sandman (TBA)
• House of Guinness (TBA)

Net Worth

Jack Gleeson’s estimated net worth is approximately $6 million, largely derived from his acting career.

His most significant earnings come from his portrayal of Joffrey Baratheon in HBO’s Game of Thrones, where he appeared in 26 episodes between 2011 and 2014.