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Filmography
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Known For
Star Trek: Deep Space Nine Chief Miles O'Brien / Smiley O'Brien / Albert Macklin / Changeling / Falcon / Tobin Dax (1993-1999) -
Layer Cake Gene (2004) -
Under Siege Daumer (1992) -
Known For
Con Air Agent Duncan Malloy (1997) -
Actor
Confession Father Peter (2022) -
Fúria Michael (2021) -
It's Always Sunny in Philadelphia Shelley Kelly (2021) -
There's Always Hope Jonathan (2021) -
Lady Betty Paddy (2021) -
The Monkey MacDonell (2021) -
Pixie Dermot O'Brien (2020) -
The Singapore Grip Major Brendan Archer (2020) -
Gangs of London Finn Wallace (2020) -
The Banker Barker (2020) -
![The Last Right]( "The Last Right")
The Last Right Detective Donall Crowley (2019) -
![Seberg]( "Seberg")
Seberg Frank Ellroy (2019) -
![Tolkien]( "Tolkien")
Tolkien Father Francis (2019) -
![Cat on a Hot Tin Roof]( "Cat on a Hot Tin Roof")
Cat on a Hot Tin Roof Big Daddy (2018) -
![Will]( "Will")
Will James Burbage (2017) -
![Halal Daddy]( "Halal Daddy")
Halal Daddy Martin Logan (2017) -
![The Secrets of Emily Blair]( "The Secrets of Emily Blair")
The Secrets of Emily Blair Father Avital (2016) -
![The Journey]( "The Journey")
The Journey Martin McGuinness (2016) -
![Hell on Wheels]( "Hell on Wheels")
Hell on Wheels Thomas 'Doc' Durant (2011-2016) -
![Pele: Birth of a Legend]( "Pele: Birth of a Legend")
Pele: Birth of a Legend George Raynor (2016) -
![Norm of the North]( "Norm of the North")
Norm of the North Grandfather (2016) -
![Childhood's End]( "Childhood's End")
Childhood's End Wainwright (2015) -
![A Dangerous Arrangement]( "A Dangerous Arrangement")
A Dangerous Arrangement Leslie (2015) -
![The Devil's Hand]( "The Devil's Hand")
The Devil's Hand Elder Beacon (2014) -
![The Driver]( "The Driver")
The Driver The Horse (2014) -
![My Not So Irish Bride]( "My Not So Irish Bride")
My Not So Irish Bride Fintan McGuire (2014) -
![Free Birds]( "Free Birds")
Free Birds Myles Standish (2013) -
![A Belfast Story]( "A Belfast Story")
A Belfast Story Detective (2013) -
![One Chance]( "One Chance")
One Chance Roland (2013) -
![Alan Partridge]( "Alan Partridge")
Alan Partridge Pat Farrell (2013) -
![The Hot Potato]( "The Hot Potato")
The Hot Potato Harry (2012) -
![Soldiers of Fortune]( "Soldiers of Fortune")
Soldiers of Fortune Carter Mason (2012) -
![The Cold Light of Day]( "The Cold Light of Day")
The Cold Light of Day Bandler (2012) -
![Bel Ami]( "Bel Ami")
Bel Ami Monsieur Rousset (2012) -
![Stand Off]( "Stand Off")
Stand Off Detective Weller (2011) -
![The Perfect Stranger]( "The Perfect Stranger")
The Perfect Stranger Mark O'Reilly (2011) -
![The Flight of the Swan]( "The Flight of the Swan")
The Flight of the Swan Giannopolus (2010) -
![Alleged]( "Alleged")
Alleged H.L. Mencken (2010) -
![Parked]( "Parked")
Parked Fred Daly (2010) -
![The Conspirator]( "The Conspirator")
The Conspirator General Hunter (2010) -
![Get Him to the Greek]( "Get Him to the Greek")
Get Him to the Greek Jonathan Snow (2010) -
![Alice]( "Alice")
Alice King of Hearts (2009) -
![Mercy]( "Mercy")
Mercy Dr. Parks (2009) -
![Law Abiding Citizen]( "Law Abiding Citizen")
Law Abiding Citizen Detective Dunnigan (2009) -
![The Race]( "The Race")
The Race Frank Kensay (2009) -
![Life on Mars]( "Life on Mars")
Life on Mars Lieutenant Gene Hunt (2009) -
![The Damned United]( "The Damned United")
The Damned United Don Revie (2009) -
![The Simpsons]( "The Simpsons")
The Simpsons Tom O'Flanagan (2009) -
![ZOS: Zone of Separation]( "ZOS: Zone of Separation")
ZOS: Zone of Separation George Titac (2009) -
![Law & Order]( "Law & Order")
Law & Order Wyatt Landon (2008) -
Life on Mars Detective Gene Hunt (2008)
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![Unnatural Causes]( "Unnatural Causes")
Unnatural Causes Trevor Jones (2008) -
![A Deal Is a Deal]( "A Deal Is a Deal")
A Deal Is a Deal Tommy Cassidy (2008) -
![Men in Trees]( "Men in Trees")
Men in Trees Bob O'Donnell (2007) -
![The Metrosexual]( "The Metrosexual")
The Metrosexual The Mayor (2007) -
![Kings]( "Kings")
Kings Joe Mullan (2007) -
Sixty Minute Man Charlie (2006)
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![A Lobster Tale]( "A Lobster Tale")
A Lobster Tale Cody Brewer (2006) -
![Five Fingers]( "Five Fingers")
Five Fingers Gavin (2006) -
![Covert One: The Hades Factor]( "Covert One: The Hades Factor")
Covert One: The Hades Factor Peter Howell (2006) -
![The Unit]( "The Unit")
The Unit Charge D'Affaires (2006) -
![Stargate: Atlantis]( "Stargate: Atlantis")
Stargate: Atlantis Cowen (2004-2006) -
![Caved In]( "Caved In")
Caved In Vincent (2006) -
Briar & Graves Father Alister McSweeney (2005)
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![Law & Order: Criminal Intent]( "Law & Order: Criminal Intent")
Law & Order: Criminal Intent Judge Harold Garrett (2005) -
![Turning Green]( "Turning Green")
Turning Green Tom (2005) -
![Battle of the Brave]( "Battle of the Brave")
Battle of the Brave Benjamin Franklin (2004) -
![Layer Cake]( "Layer Cake")
Layer Cake Gene (2004) -
![The Murdoch Mysteries]( "The Murdoch Mysteries")
The Murdoch Mysteries Inspector Brackenreid (2004) -
![Zenon: Z3]( "Zenon: Z3")
Zenon: Z3 Commander Plank (2004) -
![Bad Apple]( "Bad Apple")
Bad Apple Gibbons (2004) -
![Renegade]( "Renegade")
Renegade Jimmy McClure (2004) -
![The Boys & Girl from County Clare]( "The Boys & Girl from County Clare")
The Boys & Girl from County Clare Jimmy (2003) -
![Intermission]( "Intermission")
Intermission Jerry Lynch (2003) -
R.U.S./H. Capt. Mike Gunnison (2002)
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![King of Texas]( "King of Texas")
King of Texas Henry Tumlinson (2002) -
![Random Passage]( "Random Passage")
Random Passage Thomas Hutchings (2002) -
![Backflash]( "Backflash")
Backflash Gin O'Malley (2001) -
![How Harry Became a Tree]( "How Harry Became a Tree")
How Harry Became a Tree Harry (2001) -
![The Magical Legend of the Leprechauns]( "The Magical Legend of the Leprechauns")
The Magical Legend of the Leprechauns Seamus Muldoon (1999) -
Most Important Dan O'Neill (1999)
-
![Chapter Zero]( "Chapter Zero")
Chapter Zero Frank Lazaras (1999) -
![Mystery, Alaska]( "Mystery, Alaska")
Mystery, Alaska Mayor Scott Pitcher (1999) -
![Four Days]( "Four Days")
Four Days Fury (1999) -
![Star Trek: Deep Space Nine]( "Star Trek: Deep Space Nine")
Star Trek: Deep Space Nine Chief Miles O'Brien (1993-1999) -
![Vig]( "Vig")
Vig Al Sheehan (1998) -
![October 22]( "October 22")
October 22 Steve (1998) -
![This Is My Father]( "This Is My Father")
This Is My Father Seamus (1998) -
![Claire Dolan]( "Claire Dolan")
Claire Dolan Roland Cain (1998) -
![Owd Bob]( "Owd Bob")
Owd Bob Keith Moore (1998) -
![Monument Ave.]( "Monument Ave.")
Monument Ave. Jackie O'Hara (1998) -
![Con Air]( "Con Air")
Con Air Agent Duncan Malloy (1997) -
![The Last of the High Kings]( "The Last of the High Kings")
The Last of the High Kings Jim Davern (1996) -
![The Van]( "The Van")
The Van Larry (1996) -
![Gargoyles]( "Gargoyles")
Gargoyles Mr. Dugan (1996) -
Ripple Nathan (1995)
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![The Englishman Who Went Up a Hill But Came Down a Mountain]( "The Englishman Who Went Up a Hill But Came Down a Mountain")
The Englishman Who Went Up a Hill But Came Down a Mountain Morgan the Goat (1995) -
![Scarlett]( "Scarlett")
Scarlett Father Colum O'Hara (1994) -
![The Road to Wellville]( "The Road to Wellville")
The Road to Wellville Dr. Lionel Badger (1994) -
![War of the Buttons]( "War of the Buttons")
War of the Buttons Geronimo's Dad (1994) -
![Star Trek: The Next Generation]( "Star Trek: The Next Generation")
Star Trek: The Next Generation Chief Miles O'Brien (1987-1994) -
![Brooklyn Bridge]( "Brooklyn Bridge")
Brooklyn Bridge Mr. Kramer (1993) -
![Dr. Quinn, Medicine Woman]( "Dr. Quinn, Medicine Woman")
Dr. Quinn, Medicine Woman Jake Slicker (1993) -
![Screen Two]( "Screen Two")
Screen Two Dessie Curley - Rabbitte (1993) -
![Into the West]( "Into the West")
Into the West Barreller (1992) -
![Under Siege]( "Under Siege")
Under Siege Daumer (1992) -
![The Last of the Mohicans]( "The Last of the Mohicans")
The Last of the Mohicans Maj. Ambrose (1992) -
![Jack's Place]( "Jack's Place")
Jack's Place Mikey Ford (1992) -
![Far and Away]( "Far and Away")
Far and Away Kelly (1992) -
![MacGyver]( "MacGyver")
MacGyver Dr. Irwin Malcolm (1991) -
![The Commitments]( "The Commitments")
The Commitments Mr. Rabbitte (1991) -
![The New Adam-12]( "The New Adam-12")
The New Adam-12 Father (1991) -
![Father Dowling Mysteries]( "Father Dowling Mysteries")
Father Dowling Mysteries Ernie (1990) -
![Die Hard 2]( "Die Hard 2")
Die Hard 2 Pilot (Windsor Plane) (1990) -
![Dick Tracy]( "Dick Tracy")
Dick Tracy Cop at Tess' (1990) -
![Come See the Paradise]( "Come See the Paradise")
Come See the Paradise Gerry McGurn (1990) -
![Equal Justice]( "Equal Justice")
Equal Justice Nucchi (1990) -
![Perfect Witness]( "Perfect Witness")
Perfect Witness Meagher (1989) -
![One Life to Live]( "One Life to Live")
One Life to Live Patrick London (1987-1989) -
![Kenny Rogers as The Gambler, Part III: The Legend Continues]( "Kenny Rogers as The Gambler, Part III: The Legend Continues")
Kenny Rogers as The Gambler, Part III: The Legend Continues Tinkerer (1987) -
![Tales from the Darkside]( "Tales from the Darkside")
Tales from the Darkside Constable (1987) -
![The Dead]( "The Dead")
The Dead Mr. Bergin (1987) -
![Remington Steele]( "Remington Steele")
Remington Steele Man in Tavern (1987) -
![Moonlighting]( "Moonlighting")
Moonlighting Katerina Suitor (1986) -
![Omega Syndrome]( "Omega Syndrome")
Omega Syndrome Sean (1986) -
![The Hidden Curriculum]( "The Hidden Curriculum")
The Hidden Curriculum David Dunn (1984) -
![Playboy of the Western World]( "Playboy of the Western World")
Playboy of the Western World Shawn (1983) -
![Strangers]( "Strangers")
Strangers Peter Smolett (1982) -
![Play for Tomorrow]( "Play for Tomorrow")
Play for Tomorrow Kevin Murphy (1982) -
![Les roses de Dublin]( "Les roses de Dublin")
Les roses de Dublin Michael Kavanaugh (1981) -
![Nailed]( "Nailed")
Nailed Younger Protestant (1981) -
![Z Cars]( "Z Cars")
Z Cars McGlin (1978) -
ActorThursday Play Date Freddie (1973)
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Soundtrack
![A Deal Is a Deal]( "A Deal Is a Deal")
A Deal Is a Deal (2008) -
![Star Trek: Deep Space Nine]( "Star Trek: Deep Space Nine")
Star Trek: Deep Space Nine (1995) -
Soundtrack
![Star Trek: The Next Generation]( "Star Trek: The Next Generation")
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Producer
![Halal Daddy]( "Halal Daddy")
Halal Daddy (2017) -
Archive footage
![Beyond the Five Year Mission: The Evolution of Star Trek - The Next Generation]( "Beyond the Five Year Mission: The Evolution of Star Trek - The Next Generation")
-
![Stargate: Atlantis]( "Stargate: Atlantis")
Stargate: Atlantis (2008) -
Archive footage
![How William Shatner Changed the World]( "How William Shatner Changed the World")
-
![Star Trek: The Next Generation Companion]( "Star Trek: The Next Generation Companion")
All Filmography
Videos
Awards
8 wins & 10 nominations.Did You Know
Trivia
Shares a birthday anniversary (month and day only) with fellow Star Trek actor Mark Sheppard.
Quotes
I'm not a big method actor. I'm much more superficial.
Star Sign
Gemini
Personal Details
Born
Dublin, Ireland
Height:
5' 11" (1.8 m)Contribute to this page
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