Remarkably Bright Creatures
as Ethan Mack
May 7, 2026
Re-Creation
as Ian Bailey
Oct 3, 2025
The Legend of the Happy Worker
Aug 7, 2025
Bring Them Down
as Ray
Feb 6, 2025
The Problem with People
as Ciáran
Oct 4, 2024
Duchess
as Frank Monaghan
Aug 1, 2024
The Ballad of Davy Crockett
as Caleb
Mar 8, 2024
No Way Up
as Brandon
Jan 18, 2024
In the Land of Saints and Sinners
as Robert McQue
Oct 6, 2023
There's Always Hope
as Jonathan
Mar 3, 2023
Marlowe
as Bernie Ohls
Feb 15, 2023
Unwelcome
as Colm “Daddy” Whelan
Jan 27, 2023
Three Day Millionaire
as Mr. Barr
Nov 25, 2022
Save the Cinema
as Martyn
Jan 14, 2022
Confession
as Father Peter
Jan 4, 2022
The Monkey
as MacDonell
May 30, 2021
Pixie
as Dermot O'Brien
Oct 16, 2020
The Banker
as Patrick Barker
Mar 6, 2020
Seberg
as Frank Ellroy
Dec 13, 2019
The Last Right
as Detective Donall Crowley
Dec 6, 2019
Tolkien
as Father Francis Morgan
May 3, 2019
What We Left Behind: Looking Back at Star Trek: Deep Space Nine
as Self
Oct 12, 2018
National Theatre Live: Cat on a Hot Tin Roof
as Big Daddy
Feb 22, 2018
Halal Daddy
as Martin Logan
Jun 30, 2017
The Journey
as Martin McGuinness
Mar 30, 2017
The Secrets of Emily Blair
as Father Avital
Oct 1, 2016
Pelé: Birth of a Legend
as George Raynor, Coach George Raynor
May 6, 2016
Norm of the North
as Grandfather (voice)
Jan 14, 2016
I Am Your Father
as Narrator (voice)
Oct 5, 2015
A Dangerous Arrangement
as Leslie
Jun 20, 2015
Star Trek: The Next Generation - All Good Things...
as Miles O'Brien
Dec 2, 2014
The Devil's Hand
as Elder Beacon
Oct 10, 2014
The Yank
as Fintan McGuire
Mar 17, 2014
Free Birds
as Myles Standish (voice)
Oct 30, 2013
A Belfast Story
as Detective
Sep 20, 2013
One Chance
as Roland Potts
Sep 9, 2013
Alan Partridge: Alpha Papa
as Patt Farrell
Jul 24, 2013
Star Trek: The Next Generation - The Best of Both Worlds
as Chief Miles O'Brien (archive footage)
Apr 25, 2013
Soldiers of Fortune
as Mason
Jun 7, 2012
The Cold Light of Day
as Bandler
Apr 4, 2012
Bel Ami
as Monsieur Rousset
Mar 9, 2012
Muide Éire
as Self
Nov 6, 2011
The Perfect Stranger
as Mark O'Reilly
Oct 23, 2011
Whole Lotta Sole
as Detective Weller
Apr 21, 2011
The Conspirator
as David Hunter
Apr 15, 2011
The Flight of the Swan
as Giannopoulos
Jan 20, 2011
The Hot Potato
as Harry
Jan 1, 2011
Alleged
as H.L. Mencken
Sep 9, 2010
Parked
as Fred Daly
Sep 1, 2010
Get Him to the Greek
as Jonathan Snow
Jun 3, 2010
The Race
as Frank Kensay
Oct 27, 2009
Law Abiding Citizen
as Detective Dunnigan
Oct 15, 2009
The Damned United
as Don Revie
Mar 27, 2009
Three and Out
as Tommy Cassidy
Apr 25, 2008
Unnatural Causes
as Trevor Jones
Apr 23, 2008
Kings
as Joe Mullan
Sep 21, 2007
Five Fingers
as Gavin
May 1, 2006
Caved In: Prehistoric Terror
as Vincent
Jan 7, 2006
A Lobster Tale
as Cody
Jan 1, 2006
Turning Green
as Tom
Jun 11, 2005
Battle of the Brave
as Benjamin Franklin
Nov 19, 2004
Layer Cake
as Gene
Sep 30, 2004
The Murdoch Mysteries: Poor Tom Is Cold
as Inspector Brackenreid
Sep 12, 2004
The Murdoch Mysteries: Except the Dying
as Inspector Brackenreid
May 13, 2004
Bad Apple
as Gibbons
Feb 16, 2004
Renegade
as Jimmy McClure
Feb 9, 2004
Deep Space Nine: Ending an Era
as Self
Dec 2, 2003
The Boys & Girl from County Clare
as Jimmy
Sep 12, 2003
Intermission
as Jerry Lynch
Aug 29, 2003
King of Texas
as Mr. Tumlinson
Jun 2, 2002
How Harry Became a Tree
as Harry
Mar 1, 2002
Random Passage
as Thomas Hutchings
Jan 27, 2002
Backflash
as Gin O'Malley
Jan 22, 2002
Chapter Zero
as Frank Lazaras
Nov 13, 1999
Mystery, Alaska
as Mayor Scott Pitcher
Oct 1, 1999
Four Days
as Fury
Sep 12, 1999
This Is My Father
as Seamus
May 7, 1999
Money Kings
as Al Sheehan
Dec 4, 1998
Claire Dolan
as Roland Cain
Nov 18, 1998
October 22
as Steve
Nov 4, 1998
Monument Ave.
as Jackie O'Hara
Sep 25, 1998
Owd Bob
as Keith Moore
Jan 1, 1998
Con Air
as Agent Duncan Malloy
Jun 5, 1997
The Last of the High Kings
as Jim Davern
Dec 6, 1996
The Van
as Larry
Nov 29, 1996
The Making of Star Trek Deep Space Nine Trials And Tribble-ations
as Self
Nov 4, 1996
Star Trek: 30 Years and Beyond
as Self
Oct 6, 1996
Star Trek: Deep Space Nine - The Way of the Warrior
as Miles O'Brien
Oct 2, 1995
The Englishman Who Went Up a Hill But Came Down a Mountain
as Morgan the Goat
May 12, 1995
The New Explorers: The Science of Star Trek
as Self
Jan 18, 1995
The Road to Wellville
as Dr. Lionel Badger
Oct 28, 1994
War of the Buttons
as Geronimo's Dad
Aug 5, 1994
Journey's End - The Saga of Star Trek: The Next Generation
as Self
May 15, 1994
The Snapper
as Dessie Curley
Aug 6, 1993
Star Trek: Deep Space Nine - Behind the Scenes
as Himself
Jan 4, 1993
Star Trek: Deep Space Nine - Emissary
as Miles O'Brien
Jan 4, 1993
Into the West
as Barreller
Oct 23, 1992
Under Siege
as Daumer
Oct 8, 1992
The Last of the Mohicans
as Major Ambrose
Aug 26, 1992
Far and Away
as Kelly
May 22, 1992
The Commitments
as Jimmy Rabbitte, Sr.
Aug 14, 1991
Come See the Paradise
as Gerry McGurn
Aug 17, 1990
Die Hard 2
as Windsor Plane - Pilot
Jul 3, 1990
Dick Tracy
as Cop at Tess'
Jun 15, 1990
Perfect Witness
as Meagher
Oct 28, 1989
The Gambler: The Legend Continues
as Tinkerer
Nov 22, 1987
The Dead
as Mr. Bergin
Sep 3, 1987
Omega Syndrome
as Sean
Oct 26, 1986
Easter 2016
as Kevin Murphy
May 18, 1982
Nailed
as Younger Protestant
Jun 2, 1981
Shelter Me
The Panic
as J. Pierpont Morgan
The Last Days of Rabbit Hayes
as Jack
Hal
Safe Harbor
as Kieran Walsh
Jan 10, 2025
The Santa Stories
as The No Man/ Bill
Dec 8, 2023
Scary Tales of New York
as Storyteller
Oct 19, 2023
The Serpent Queen
as Francis I of France
Sep 11, 2022
Fúria
Dec 19, 2021
Back to Barrytown
as Self / Narrator
May 16, 2021
The Singapore Grip
as Major Brendan Archer
Sep 13, 2020
Gangs of London
as Finn Wallace
Apr 23, 2020
Will
as James Burbage
Jul 10, 2017
The Cowboy
as Self
Jan 23, 2016
Childhood's End
as Wainwright
Dec 14, 2015
The Driver
as The Horse
Sep 23, 2014
Hell on Wheels
as Thomas 'Doc' Durant
Nov 6, 2011
Alice
as King of Hearts
Dec 6, 2009
Mercy
Sep 23, 2009
ZOS: Zone of Separation
as George Titac
Jan 19, 2009
Men in Trees
as Bob O'Donnell
Sep 12, 2006
Covert One: The Hades Factor
as Peter Howell
Apr 9, 2006
The Unit
as Charge D'Affaires
Mar 7, 2006
It's Always Sunny in Philadelphia
as Shelley Kelly
Aug 4, 2005
Stargate Atlantis
as Cowen
Jul 15, 2004
The Murdoch Mysteries
as Inspector Brackenreid
May 13, 2004
Random Passage
Jan 27, 2002
Law & Order: Criminal Intent
as Harold Garrett
Sep 30, 2001
The Magical Legend of the Leprechauns
as Seamus Muldoon
Nov 7, 1999
Scarlett
as Father Colum O'Hara
Nov 13, 1994
Gargoyles
as Mr. Dugan (voice)
Oct 24, 1994
Star Trek: Deep Space Nine
as Miles O'Brien
Jan 3, 1993
Dr. Quinn, Medicine Woman
as Jake Slicker
Jan 1, 1993
Brooklyn Bridge
Sep 20, 1991
Law & Order
as Wyatt Landon
Sep 13, 1990
The Simpsons
as Tom O'Flanagan (voice)
Dec 17, 1989
Star Trek: The Next Generation
as Miles O'Brien
Sep 28, 1987
MacGyver
as Irwin Malcolm
Sep 29, 1985
Moonlighting
as Keterina Suitor (as Colm Meany)
Mar 3, 1985
Screen Two
as Dessie Curley
Jan 6, 1985
Tales from the Darkside
as Constable
Sep 30, 1984
Strangers
as Peter Smolett
Jun 5, 1978
The Late Late Show
as Self
Jul 6, 1962
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