Name	Known for
Tom Vaughan-Lawlor Nidge Nidge See fewer	Avengers: Infinity War (2018)
Barry Keoghan Wayne Wayne See fewer	The Killing of a Sacred Deer (2017)
John Connors Patrick Patrick See fewer	Cardboard Gangsters (2017)
Susan Loughnane Debbie Debbie See fewer	Love/Hate (2010)
Silvia Napoleoni Denise Denise See fewer	Sonny Capone (2020)
Mary Murray Janet Janet See fewer	The Magdalene Sisters (2002)
Leroy Harris Glen Glen See fewer	Michael Inside (2017)
Kieran O'Reilly Detective Ciaran Detective Ciaran See fewer	Vikings (2013)
Peter Coonan Fran Fran See fewer	Love/Hate (2010)
Mark Dunne Ado Ado See fewer	The Lodgers (2017)
Brían F. O'Byrne D.I. Mick Moynihan D.I. Mick Moynihan See fewer	Million Dollar Baby (2004)
Stephen O'Brien Detective Terry Detective Terry See fewer	The Front Line (2006)
Sam Monaghan James James See fewer	Foundation (2021)
Peter O'Meara Andrew Andrew See fewer	Knightfall (2017)
Laurence Kinlan Elmo Elmo See fewer	Marcella (2016)
Robert Quigley Niall Niall See fewer	Cowboys & Angels (2003)
Kelly Campbell Una Una See fewer	The Other Lamb (2019)
Jake Ward Brandon Brandon See fewer	Love/Hate (2010)
Ian Lloyd Anderson Dean Dean See fewer	The Long Shadow (2023)
Aaron Heffernan Detective Gavin Detective Gavin See fewer	Brassic (2019)
Keith Duffy Mark Mark See fewer	Coronation Street (1960)
Killian Scott Tommy Tommy See fewer	'71 (2014)
Charlie Murphy Siobhan Siobhan See fewer	Obsession (2023)
Ger Carey Dave Dave See fewer	Spoon (III) (2010)
Lynn Rafferty Nadine Nadine See fewer	Return (II) (2023)
Aoibhinn McGinnity Trish Trish See fewer	Quarry (2016)
Raluca-Sandra Moore Violetta (as Sandra Huzuneanu) Violetta (as Sandra Huzuneanu) See fewer	Six Hot Chicks in a Warehouse (2017)
John Morton Des Des See fewer	Dead Still (2020)