Name	Known for
David Wilmot Dr. Ed Costello Dr. Ed Costello See fewer	Anna Karenina (I) (2012)
Dominic Mafham Dan Woodhouse Dan Woodhouse See fewer	Ophelia (I) (2018)
Aisling O'Sullivan Dr. Cathy Costello Dr. Cathy Costello See fewer	Raw (2008)
Norma Sheahan Fiona McColgan Fiona McColgan See fewer	Dead Still (2020)
Gary Lydon Patrick Murray Patrick Murray See fewer	The Banshees of Inisherin (2022)
Lorraine Pilkington Susie Cassidy Susie Cassidy See fewer	Human Traffic (1999)
Amy Huberman Daisy O'Callaghan Daisy O'Callaghan See fewer	The Bachelor Weekend (2013)
Gertrude Montgomery Aine Flanagan Aine Flanagan See fewer	Ondine (2009)
Rachel Pilkington Keelin Geraghty (as Rachael Pilkington) Keelin Geraghty (as Rachael Pilkington) See fewer	The Clinic (I) (2003)
Geraldine Plunkett Mrs. Fleming Mrs. Fleming See fewer	Glenroe (1983)
Chris O'Dowd Brendan Davenport Brendan Davenport See fewer	Bridesmaids (I) (2011)
Sam Corry Alex / Chris Walsh Alex / Chris Walsh See fewer	Primeval (2007)
Barbara Adair Old Woman Old Woman See fewer	Grabbers (2012)
Eva Bartley Polly Polly See fewer	Vikings (2013)
Ruth Bradley Moya Cassidy Moya Cassidy See fewer	Grabbers (2012)
Sabina Brennan Nervy Young Woman Nervy Young Woman See fewer	An Artist Abroad (2002)
Liam Carney Mr. Callan Mr. Callan See fewer	Braveheart (1995)
Emma Colohan Allanah Geraghty Allanah Geraghty See fewer	Foyle's War (2002)
Neilí Conroy Sorcha Geraghty Sorcha Geraghty See fewer	Family (1994)
Sean Flanagan Sean Connell Sean Connell See fewer	Squatters (2020)
Rory Keenan Michael Michael See fewer	The Guard (2011)
Garrett Keogh Michael Geraghty Michael Geraghty See fewer	Excalibur (1981)
Enda Kilroy Disgruntled Man Disgruntled Man See fewer	Ripper Street (2012)
Ian McElhinney Joseph McGarry Joseph McGarry See fewer	Hamlet (1996)
Chris Newman Tommy Geraghty Tommy Geraghty See fewer	Ferocious Planet (2011)
Regan O'Brien Nurse Nurse See fewer	The Tiger's Tail (2006)
Simon O'Gorman Billy Flanagan Billy Flanagan See fewer	The Escapist (2002)
Saoirse Ronan Rhiannon Geraghty Rhiannon Geraghty See fewer	Hanna (2011)
Jake Williams Barry Geraghty Barry Geraghty See fewer	The Clinic (I) (2003)