Trivia

He is the son of Brendan Gleeson and Mary Gleeson.

Brother of actor Domhnall Gleeson, Fergus Gleeson and Rory Gleeson.

Has appeared in four films with his father Brendan Gleeson - The Tiger's Tail (2006), Noreen (2010), Assassin's Creed (2016) and Psychic (2018).

Has worked with his brother Domhnall Gleeson in What Will Survive of Us (2009), ¡Madre! (2017),Psychic (2018) and Frank de Irlanda (2021).

He played the young Joseph Lynch that his father Brendan Gleeson portrayed at an older age in Assassin's Creed (2016).

First name is pronounced - Breen.

Appeared as Gooper in Cat on a Hot Tin Roof at the Apollo Theatre, London's West End in 2017.

Brian has recently been acting on stage in Ireland in The Saviour (2021) Constellations (2022) and A Whistle In The Dark (2022).

An accomplished theatre actor. Brian has most recently appeared on stage in London, Ireland, Scotland and New York.

Appeared in 'Romeo And Juliet' at the Abbey Theatre, Dublin in 2008 with Aidan Turner.