Name	Known for
James D'Arcy Ernie Coyne Ernie Coyne See fewer	Cloud Atlas (2012)
Frank Laverty Kelly Kelly See fewer	Michael Collins (1996)
Vincent Regan Tom O'Toole Tom O'Toole See fewer	Snow White and the Huntsman (2012)
Paloma Baeza Ita Feeney Ita Feeney See fewer	Sunshine (2007)
Dawn Bradfield Ursula Feeney Ursula Feeney See fewer	King Arthur (2004)
Brendan Coyle Michael Collins Michael Collins See fewer	Downton Abbey (2010)
Lorcan Cranitch Inspector Nelson Inspector Nelson See fewer	Cracker (1993)
Dermot Crowley Mr. Coyne Mr. Coyne See fewer	Luther: The Fallen Sun (2023)
Susan Fitzgerald Mrs. Coyne Mrs. Coyne See fewer	The Serpent's Kiss (1997)
Marion O'Dwyer Aunt Maeve Aunt Maeve See fewer	Love, Rosie (2014)
Vincent Walsh Gallagher Gallagher See fewer	Played (2013)
Michael McElhatton Cathal Brugha Cathal Brugha See fewer	Game of Thrones (2011)
Brendan McNamara Davy Davy See fewer	The Bourne Supremacy (2004)
B.J. Hogg Sergeant Black Sergeant Black See fewer	Hunger (2008)
Nuala O'Neill Eileen O'Toole Eileen O'Toole See fewer	Titanic Town (1998)
Brid McCarthy Mrs. O'Toole Mrs. O'Toole See fewer	Moone Boy (2012)
Michael Colgan Liam O'Toole Liam O'Toole See fewer	The Regime (2024)
Joe Rea Billy Billy See fewer	Mad About Mambo (2000)
Lloyd Hutchinson Joe O'Neill Joe O'Neill See fewer	Anonymous (I) (2011)
Kieran Hurley Dempsey Dempsey See fewer	Batman Begins (2005)
Seamus Ball Mr. Feeney Mr. Feeney See fewer	Fifty Dead Men Walking (2008)
Marie Jones Mrs. Feeney Mrs. Feeney See fewer	In the Name of the Father (1993)
Johnny O'Donnell Tony Feeney Tony Feeney See fewer	We Were the Lucky Ones (2024)
Diarmuid Corr First Feeney Son First Feeney Son See fewer	Five Minutes of Heaven (2009)
Frank Bourke Thomas Ashe Thomas Ashe See fewer	His Dark Materials (2019)
Andrew Connolly Eamon DeValera Eamon DeValera See fewer	Guiltrip (1995)
Anthony Brophy Mulcahy Mulcahy See fewer	Lady Chatterley's Lover (I) (2022)
Joe Gallagher Election Officer Election Officer See fewer	In the Land of Saints and Sinners (2023)
Johnny McMorrough Man in Brown Hat Man in Brown Hat See fewer	Rebel Heart (2001)
Mark Doherty Magee Magee See fewer	A Film with Me in It (2008)
Stuart Dunne Carroll Carroll See fewer	Inside (1985)
Duncan Keegan Student 1 Student 1 See fewer	Reign of Fire (2002)
Brendan Laird First Man First Man See fewer	The Dawning (1988)
Olivia Fahy O'Toole Sister (uncredited) O'Toole Sister (uncredited) See fewer	Love & Friendship (2016)