Name	Known for
Rory Keenan Eric Dunbar Eric Dunbar See fewer	The Guard (2011)
Kate Gilmore Lucy Whelan Lucy Whelan See fewer	Someday Sadie (2021)
Maria Doyle Kennedy George Cusack George Cusack See fewer	The Tudors (2007)
Amy Huberman Tara Rafferty Tara Rafferty See fewer	The Bachelor Weekend (2013)
Natalie Radmall-Quirke Caroline Caroline See fewer	The Canal (2014)
Neil Morrissey Vincent Pike Vincent Pike See fewer	The Bounty (1984)
Emmet Byrne Ray Lamont Ray Lamont See fewer	Loving ALEX (2019)
Conall Keating Steve Steve See fewer	Striking Out (2017)
Olwen Fouéré Judge Mary Andrews (as Olwen Fouere) Judge Mary Andrews (as Olwen Fouere) See fewer	The Watchers (I) (2024)
Nick Dunning Conrad Rafferty Conrad Rafferty See fewer	Alexander (2004)
Ingrid Craigie Irene Rafferty Irene Rafferty See fewer	The Dead (1987)
Sam McGovern Joe (aka Bookworm) Joe (aka Bookworm) See fewer	Waiting for Godot (2001)
Charlotte Bradley Monica Bridges Monica Bridges See fewer	The Gift (2014)
Mary McEvoy Sister Frances Sister Frances See fewer	Extra Ordinary (II) (2019)
Paul Antony-Barber Richard Dunbar Richard Dunbar See fewer	Arthur's Whisky (2024)
Enda Oates Philip McGrath Philip McGrath See fewer	Damo and Ivor (2013)
Michael James Ford Nigel Fitzjames Nigel Fitzjames See fewer	Becoming Jane (2007)
Fiona O'Shaughnessy Meg Riley Meg Riley See fewer	Nina Forever (2015)
Elva Trill Gillian Gillian See fewer	Jurassic World Dominion (2022)
Moe Dunford Sam Dunbar Sam Dunbar See fewer	Vikings (2013)
Jane Brennan Deirdre York Deirdre York See fewer	Brooklyn (2015)
Susannah De Wrixon Joan Dunbar Joan Dunbar See fewer	Innocent (2018)
Charlie Bonner Mick Dawson Mick Dawson See fewer	Bloom (I) (2003)
Gerard Lee Judge John Boyce Judge John Boyce See fewer	Striking Out (2017)
Shaun Keller Clerk (uncredited) Clerk (uncredited) See fewer	Fair City (1989)