(1990) Miller's Crossing

as Tom Reagan

(1995) Dead Man

as Charlie Dickinson

(1995) The Usual Suspects

as Keaton

(2009) Leningrad

as Philip Parker

(1999) Stigmata

as Father Andrew Kiernan

(2022) Lamborghini: The Man Behind the Legend

as Enzo Ferrari

(1993) Point of No Return

as Bob

(2006) Jindabyne

as Stewart

(1981) The Search for Alexander the Great

as Ptolemy

(1981) Excalibur

as Uther

(2004) Vanity Fair

as The Marquess of Steyne

(2006) Played

as Eddie

(2004) P.S.

as Peter Harrington

(2005) Assault on Precinct 13

as Captain Marcus Duvall

(1986) Gothic

as Lord Byron

(1992) Into the West

as Papa Reilly

(1997) Smilla's Sense of Snow

as The Mechanic

(1998) The Man in the Iron Mask

as D'Artagnan

(1994) Little Women

as Friedrich Bhaer

(1999) End of Days

as The Man

(1998) Enemy of the State

as 'Brill'

(2002) Spider

as Bill Cleg

(2002) Ghost Ship

as Captain Sean Murphy

(1983) The Keep

as Major Kaempffer

(2008) Emotional Arithmetic

as Christopher Lewis

(1987) Hello Again

as Kevin Scanlon

(2009) Perrier's Bounty

as Voice of the Grim Reaper (voice)

(1986) Defence of the Realm

as Nicholas 'Nick' Mullen

(1994) Trial by Jury

as Daniel Graham

(1992) Cool World

as Jack Deebs

(2000) Making Love

as il violinista/Jeno Varga adulto

(2003) Shade

as Charlie Miller

(1987) Siesta

as Augustine

(2005) Wah-Wah

as Harry Compton

(1994) A Simple Twist of Fate

as John Newland

(2002) Virginia's Run

as Ford Lofton

(1994) All Things Bright and Beautiful

as The Good Thief

(1996) The Last of the High Kings

as Jack Griffin

(1983) Hanna K.

as Joshué Herzog

(1998) Polish Wedding

as Bolek

(2004) The Bridge of San Luis Rey

as Brother Juniper

(1997) This Is the Sea

as Rohan

(1996) Mad Dog Time

as Ben London

(1997) The End of Violence

as Ray

(1988) The Courier

as Val

(1994) Royal Deceit

as Fenge

(1998) Quest for Camelot

as Lionel (voice)

(1990) Shipwrecked

as Lt. John Merrick

(1995) Frankie Starlight

as Jack Kelly

(1988) Julia and Julia

as Paolo

(2011) A Man's Story

as Self

(1987) Lionheart

as Black Prince

(1996) The Brylcreem Boys

as Commandant O'Brien

(2022) Walking with Ghosts

as Himself

(2012) Capital

as Dittmar Rigule

(1995) Buffalo Girls

as Teddy Blue

(1993) A Dangerous Woman

as Mackey

(2004) Patrick

as Patrick

(1982) The Rocking Horse Winner

as Bassett

(1990) Dark Obsession

as Hugo

(2012) I, Anna

as D.C.I. Bernie Reid

(2012) John Ford: Dreaming the Quiet Man

as Narrator

(2013) All Things To All Men

as Joseph Corso

(2014) Vampire Academy

as Victor Dashkov

(2013) Just a Sigh

as Man

(2022) Murder at Yellowstone City

as Sheriff Ambrose

(2023) Dance First

as Samuel Beckett

(1988) A Soldier's Tale

as Saul

(2002) Horses: The Story of Equus

as Narrator

(1984) Reflections

as William Masters

Sauver Mozart

as ---

(2000) When Brendan Met Trudy

as Special Appearance

(2002) Killing Emmett Young

as Jack Marlow / Stephen Bracken

(2003) Flight from Death: The Quest for Immortality

as Narrator

(1997) Weapons of Mass Distraction

as Lionel Powers

(2015) Louder Than Bombs

as Gene Reed

(2022) The Boy, the Mole, the Fox and the Horse

as The Horse (voice)

(2015) Endless Night

as Bram

Nothing Is What It Seems: The Making Of 'The Usual Suspects'

as self

(1984) The Treatment

as Father Michael

(2008) 2:22

as Detective Swain (uncredited)

(2015) The 33

as Andre Sougarret

(2025) From the World of John Wick: Ballerina

as The Chancellor

(2017) Mad to Be Normal

as Jim

(2008) Gabriel Byrne: Stories from Home

as ---

(2025) Four Letters of Love

as Muiris Gore

(2018) Cursed: The True Nature of Hereditary

as Self - Steve

(2017) Carrie Pilby

as Mr. Pilby

(1994) Out of Ireland: The Story of Irish Emigration to America

as Richard O'Gorman (voice)

(2016) Versus: The Life and Films of Ken Loach

as Self - Actor

(1996) Somebody Is Waiting

as Roger Ellis

(2016) No Pay, Nudity

as Lawrence Rose

(2002) Pursuing the Suspects

as Himself

(2018) An L.A. Minute

as Ted Gold

A World War II Fairytale: The Making of Michael Mann's 'The Keep'

as Himself (Archive Footage)

(2017) Into the Night: Portraits of Life and Death

as Self

(2018) Lies We Tell

as Donald

(2018) Hereditary

as Steve Graham

(2018) In the Cloud

as Doc Wolff

(2008) Camelot: Live from Lincoln Center

as King Arthur

(2018) My Astonishing Self: Gabriel Byrne on George Bernard Shaw

as Narrator

(2020) Lost Girls

as Richard Dormer

(2018) Atlantic Salmon: Lost at Sea

as Narrator

(1980) The Outsider

as Man in Street

(2010) The Women of SNL

as Priest (archive footage)

(1978) On a Paving Stone Mounted

as ---

(2021) Death of a Ladies' Man

as Samuel O'Shea

(2002) Keyser Soze, Lie or Legend - Featurette

as Self

(2002) Round Up: Deposing 'The Usual Suspects'

as Self

(2020) Michael Des Barres: Who Do You Want Me To Be?

as Self

(1998) Pirates

as Narrator (voice)

(1995) Irish Cinema: Ourselves Alone?

as Narrator (voice)

(2013) Excalibur: Behind the Movie

as Self

(2025) Blue Road: The Edna O'Brien Story

as Self

(1994) Inside the Actors Studio

as Self

(1978) Strangers

as Johnny Maguire

(1997) The View

as Self

(1993) Late Night with Conan O'Brien

as Self - Guest

(2000) Madigan Men

as Benjamin Madigan

(1976) Live from Lincoln Center

as King Arthur

(1980) Bracken

as Pat Barry

(2008) In Treatment

as Dr. Paul Weston

(2007) Attack on Leningrad

as Phillip Parker

(2013) Vikings

as Earl Haraldson

(1975) Saturday Night Live

as Self - Host

(2012) Secret State

as Tom Dawkins

(2014) Quirke

as Quirke

(1956) Tony Awards

as Self - Presenter

(2015) Vikings: Athelstan's Journal

as Earl Haraldson (archive footage)

(2007) The Graham Norton Show

as Self

(1985) Christopher Columbus

as Christopher Columbus

(1985) Mussolini: The Untold Story

as Vittorio Mussolini

(2019) War of the Worlds

as Bill Ward

(2007) Leningrad

as ---

(1978) The Last of Summer

as Bishop's secretary

(2020) ZeroZeroZero

as Edward Lynwood

(2018) Maniac

as Porter Milgrim