Acting
Mark O'Halloran
Known for
1990
Law & Order
Delgado
TV
2019
Brassic
Francis
TV
2021
Hidden Assets
Joe Galvin
TV
2024
Mary & George
Sir Francis Bacon
TV
2022
Conversations with Friends
Writer
TV
2002
Queen of the Damned
Rent Boy
Movie
2023
The Miracle Club
Father Dermot Byrne
Movie
2019
The Virtues
Craigy
TV
2011
The Guard
Garda No. 1
Movie
2025
Mix Tape
Bill
TV