Niall O'Brien
- Known for
- Acting
- Born
- February 8, 1946
- Died
- February 25, 2009
- Birthplace
- Dublin, Ireland
Filmography

Teeth 2007
as Joe

The Halo Effect 2004
Associate Producer

Vanity Fair 2004
as Mr. Moss

Conspiracy of Silence 2003
as John

The Emperor's New Clothes 2001
as Bosun

When Brendan Met Trudy 2000
as Judge

St. Patrick: The Irish Legend 2000
as Longhaire

The Legend of 1900 1998
as Harbor Master

The Last Bus Home 1997
as Jessop's Father

Braveheart 1995
as English General

Broken Harvest 1994
as Josie McCarthy

Class of '61 1993
as James O'Neil

The Playboys 1992
as Police Superintendant

King Ralph 1991
as McGuire

Who Bombed Birmingham? 1990
as Walker

Rawhead Rex 1986
as Det. Insp. Isaac Gissing

Half Moon Street 1986
as Captain Twilley

Shergar 1986
as Brendan

Anne Devlin 1984
as Michael Dwyer

Gorky Park 1983
as KGB Agent Rurik
- John, Love
John, Love 1983
Actor

Excalibur 1981
as Kay

Lovespell 1981
as Corvenal

The Outsider 1979
as Emmett Donovan
- Exposure
Exposure 1978
as Oliver

Ryan's Daughter 1970
as Bernard
Credits from TMDB.