Mark O'Halloran
 | The Miracle Club (2023) Father Dermot Byrne |
 | Sunlight (2023) Cleggs |
 | Masquerades of Research (2022) |
 | It Is in Us All (2022) Father Mark |
 | The Sparrow (2022) |
 | Masquerades of Research: Part I (2021) |
 | Cellar Door (2019) Kassel |
 | Mary (2018) Father Walsh |
 | Dublin Oldschool (2018) Bates |
 | Halal Daddy (2017) Omar |
| | History's Future (2016) MP |
 | Viva (2015) Ray |
 | Calvary (2014) Prison Officer |
 | Coward (2012) Batman |
 | The Guard (2011) Garda No. 1 |
 | A Kiss for Jed Wood (2011) Ray |
 | Adam & Paul (2004) Adam |
 | Queen of the Damned (2002) Rent Boy |
 | H3 (2001) Bobby Sands |
 | Angela Mooney Dies Again (1997) Hank |
