As of June 2026, Mark O'Halloran is best known for Law & Order and Brassic. Find every show and movie Mark O'Halloran has starred in — and where to watch them — below.
Mark O'Halloran

Mark O'Halloran

Actor 6 TV Shows 7 Movies

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📺 Mark O'Halloran's TV Shows

Law & Order
Delgado
1990
Brassic
Francis
2019
Hidden Assets
Joe Galvin
2021
Mary & George
Sir Francis Bacon
2024
The Virtues
Craigy
2019
Mix Tape
Bill
2025

🎬 Mark O'Halloran's Movies

Queen of the Damned
Rent Boy
2002
Calvary
Prison Officer
2014
The Miracle Club
Father Dermot Byrne
2023
The Guard
Garda No. 1
2011
Dublin Oldschool
Bates
2018
Adam & Paul
Adam
2004
Viva
Ray
2015

Never Miss a Show Starring Mark O'Halloran

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