Mark O'Halloran
Acting
Known for
2023Sunlight
Cleggs
2023The Miracle Club
Father Dermot Byrne
2022Masquerades of Research
2022The Sparrow
2022It Is in Us All
Father Mark
2021Masquerades of Research: Part I
2019Cellar Door
Kassel
2018Dublin Oldschool
Bates
2017Halal Daddy
Omar
2015Viva
Ray
2014Calvary
Prison Officer
2012Coward
Batman
2011The Guard
Garda No. 1
2011A Kiss for Jed Wood
Ray
2011Muide Éire
Self
2006John Duffy's Brother
John Duffy's brother
2004Adam & Paul
Adam
2002Queen of the Damned
Rent Boy
2001H3
Bobby Sands
1997Angela Mooney Dies Again
Hank
