Name	Known for
Dominique McElligott Cora Collins Cora Collins See fewer	Leap Year (2010)
Daragh O'Malley Barry King Barry King See fewer	Sharpe's Peril (2008)
Ronan Wilmot Willie Sexton Willie Sexton See fewer	In the Name of the Father (1993)
Orla Charlton Ann Marie Collins Ann Marie Collins See fewer	6Degrees (2012)
Amy Huberman Diane Collins Diane Collins See fewer	The Bachelor Weekend (2013)
Sean McGinley Fergal Collins Fergal Collins See fewer	On a Clear Day (2005)
Peg Power Rita Collins Rita Collins See fewer	On Home Ground (2001)
Tom Sullivan Ger Ronan (as Tomás Ó Súilleabháin) Ger Ronan (as Tomás Ó Súilleabháin) See fewer	Monster (2019)
Frank Laverty Tony O'Keefe Tony O'Keefe See fewer	Michael Collins (1996)
Rory Keenan Kevin King Kevin King See fewer	The Guard (2011)
Gary Lydon Cathal O'Connor Cathal O'Connor See fewer	The Banshees of Inisherin (2022)
Stephen Kennedy Eoin Lynch Eoin Lynch See fewer	Notes on a Scandal (2006)
Darren McHugh Liam Coffey Liam Coffey See fewer	In the Name of the Father (1993)
Jonathan Byrne Brendan Ruane Brendan Ruane See fewer	The Machine (I) (2013)
Martin Murphy Doctor Doctor See fewer	Michael Collins (1996)
Laurence Kinlan John King John King See fewer	Marcella (2016)
Charlotte Bradley Helen King Helen King See fewer	The Gift (2014)
Viko Nikci Damik Damik See fewer	Coming Home (V) (2014)
Peter Gowen Mike O'Farrell Mike O'Farrell See fewer	Breakfast on Pluto (2005)
Karl Shiels Gerry Collins Gerry Collins See fewer	Batman Begins (2005)
Robert Price Stephen Elliot Stephen Elliot See fewer	Borstal Boy (2000)
Séana Montague Paula O'Farrell (as Seána Montague) Paula O'Farrell (as Seána Montague) See fewer	Elizabeth (2000)
Stella McCusker Kate O'Farrell Kate O'Farrell See fewer	Five Minutes of Heaven (2009)
Pat Laffan Padraig O'Farrell Padraig O'Farrell See fewer	The Saint (1997)
Tony Rohr Brian Horan Brian Horan See fewer	Leap Year (2010)
Brigid Duffy Geraldine O'Connor Geraldine O'Connor See fewer	On Home Ground (2001)
Paul Meade Young Doctor Young Doctor See fewer	Lassie (2005)
Renee Weldon Sharon O'Connor (as Renée Weldon) Sharon O'Connor (as Renée Weldon) See fewer	Trouble with Sex (2005)
Joe Breen Young Michael O'Farrell Young Michael O'Farrell See fewer	Angela's Ashes (1999)
Caitriona McLaughlin Nurse Nurse See fewer	On Home Ground (2001)
Darragh Maloney Sports Commentator Sports Commentator See fewer	On Home Ground (2001)
David Herlihy Sgt. Fintan McQuaid Sgt. Fintan McQuaid See fewer	Reign of Fire (2002)
Britta Smith Martha O'Keefe Martha O'Keefe See fewer	The Magdalene Sisters (2002)
Aiden Condron Victor (as Aidan Condron) Victor (as Aidan Condron) See fewer	Saving Private Ryan (1998)