Niall O'Brien
- Compleanno:
- 02/08/1946
- Luogo di nascita:
- Dublin, Ireland:
 | Teeth (2007) Joe |
 | Conspiracy of Silence (2003) |
 | The Emperor's New Clothes (2001) Bosun |
 | When Brendan Met Trudy (2000) Judge |
 | St. Patrick: The Irish Legend (2000) Longhaire |
 | La leggenda del pianista sull'oceano (1998) Harbor Master |
 | The Last Bus Home (1997) Jessop's Father |
 | Braveheart (1995) English General |
 | Broken Harvest (1994) Josie McCarthy |
 | The Playboys (1992) Police Superintendant |
 | King Ralph (1991) Tommy McGuire |
 | Who Bombed Birmingham? (1990) Walker |
 | Rawhead Rex (1986) Det. Insp. Isaac Gissing |
 | Half Moon Street (1986) Captain Twilley |
 | Shergar (1986) Brendan |
 | Anne Devlin (1984) Michael Dwyer |
 | Gorky Park (1983) KGB Agent Rurik |
 | John, Love (1983) |
 | Lovespell (1981) Corvenal |
 | Excalibur (1981) Kay |
 | The Outsider (1979) Emmett Donovan |
| | Exposure (1978) Oliver |
 | Ryan's Daughter (1970) Bernard |