Name	Known for
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)
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)
Leigh Arnold Dr. Clodagh Delaney Dr. Clodagh Delaney See fewer	The Clinic (I) (2003)
Sam Corry Alex / Chris Walsh Alex / Chris Walsh See fewer	Primeval (2007)
Stuart Graham Dr. Richard McKenna Dr. Richard McKenna See fewer	Hunger (2008)
Marian Araujo Marta Lopez Marta Lopez See fewer	Dead Meat (2004)
Anne Byrne Nora Ryan Nora Ryan See fewer	The Clinic (I) (2003)
Amelia Crowley Claudine James Claudine James See fewer	Ella Enchanted (2004)
Philip Judge Eugene Eugene See fewer	Flick (II) (2000)
Andrew Keane Brian Noonan Brian Noonan See fewer	The Clinic (I) (2003)
Matthew Keenan Sam Connolly Sam Connolly See fewer	Factory 293 (2014)
Doreen Keogh Mrs. Clarke Mrs. Clarke See fewer	The Royle Family (1998)
Sonya Macari Miss Scott Miss Scott See fewer	The Artist (I) (2011)
Jane McGrath Gillian Ryan Gillian Ryan See fewer	Black Ice (2013)
Dave Murray The Date The Date See fewer	An Obscure Voyage (2020)
Mary O'Driscoll Pregnant Diabetic Pregnant Diabetic See fewer	Brooklyn (2015)
Simon O'Gorman Billy Flanagan Billy Flanagan See fewer	The Escapist (2002)
Tara Lynne O'Neill Una O'Neill Una O'Neill See fewer	Becoming Jane (2007)
John Olohan Jim Kavanagh Jim Kavanagh See fewer	Rawhead Rex (1986)
Lizzy Quinn Ground Staff Woman Ground Staff Woman See fewer	The Clinic (I) (2003)
Gabrielle Reidy Meg Duffy Meg Duffy See fewer	Girl with a Pearl Earring (2003)
David Michael Scott Tony Sullivan Tony Sullivan See fewer	Game of Thrones (2011)