Name	Known for
Barry Keoghan Wayne Wayne See fewer	The Killing of a Sacred Deer (2017)
Leroy Harris Glen Glen See fewer	Michael Inside (2017)
Tom Vaughan-Lawlor Nidge Nidge See fewer	Avengers: Infinity War (2018)
Robert Sheehan Darren Darren See fewer	The Umbrella Academy (2019)
Charlie Murphy Siobhan Siobhan See fewer	Obsession (2023)
Killian Scott Tommy Tommy See fewer	'71 (2014)
Stephen O'Brien Detective Terry Detective Terry See fewer	The Front Line (2006)
Laurence Kinlan Elmo Elmo See fewer	Marcella (2016)
Damien Kearney Garda Martin Garda Martin See fewer	The Wind that Shakes the Barley (2006)
Peter Coonan Fran Fran See fewer	Love/Hate (2010)
Mark Dunne Ado Ado See fewer	The Lodgers (2017)
Lynn Rafferty Nadine Nadine See fewer	Return (II) (2023)
Caoilfhionn Dunne Lizzie Lizzie See fewer	Love/Hate (2010)
Jason Barry Dano Dano See fewer	Titanic (1997)
Mary Murray Janet Janet See fewer	The Magdalene Sisters (2002)
Aoibhinn McGinnity Trish Trish See fewer	Quarry (2016)
Jason O'Reilly Peter Peter See fewer	Felicity's Story (2014)
Helen Behan Marie Marie See fewer	The Virtues (2019)
Kelly Thornton Kellie Kellie See fewer	Flora and Son (2023)
Robert Quigley Niall Niall See fewer	Cowboys & Angels (2003)
Dylan Stoeckhardt Warren Warren See fewer	Love/Hate (2010)
Peter O'Meara Andrew Andrew See fewer	Knightfall (2017)
Silvia Napoleoni Denise Denise See fewer	Sonny Capone (2020)
Ian Lloyd Anderson Dean Dean See fewer	The Long Shadow (2023)
Brían F. O'Byrne D.I. Mick Moynihan D.I. Mick Moynihan See fewer	Million Dollar Baby (2004)
Adam Fergus Detective Garda Ger Detective Garda Ger See fewer	What If (2013)
Adam Kavanagh Mark (uncredited) Mark (uncredited) See fewer	Wonderland (2022)