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)
Gary Egan Garda Garda See fewer	Ripper Street (2012)
Sean Flanagan Sean Connell Sean Connell See fewer	Squatters (2020)
Peter Hanly Jack O'Halloran Jack O'Halloran See fewer	Braveheart (1995)
Darren Healy Ritchie Sweeney Ritchie Sweeney See fewer	Once (I) (2007)
Ruth McCabe Maria Geraghty Maria Geraghty See fewer	My Left Foot (1989)
Anna McCann Miss Sharkey Miss Sharkey See fewer	Born Again (I) (2015)
Pat McGrath Mr. Sharkey Mr. Sharkey See fewer	Ella Enchanted (2004)
Vinny Murphy Security Man Security Man See fewer	Accelerator (2000)
Tatiana Ouliankina Natalia Riabushkin Natalia Riabushkin See fewer	Short Order (2005)
Valerie Spelman Kate O'Halloran Kate O'Halloran See fewer	Stitches (I) (2012)