Name	Known for
Justine Mitchell Elaine Lynch Elaine Lynch See fewer	Your Bad Self (2010)
Graciele Jeronymo Nurse Nurse See fewer	Smother (2021)
Gemma-Leah Devereux Anna Ahern Anna Ahern See fewer	Judy (II) (2019)
Dervla Kirwan Val Ahern Val Ahern See fewer	Ondine (2009)
Fionnula Flanagan Caro Noonan Caro Noonan See fewer	The Others (2001)
Niamh Walsh Jenny Ahern Jenny Ahern See fewer	The Sandman (2022)
Dean Fagan Finn Ahern Finn Ahern See fewer	Smother (2021)
Philip Hill-Pearson Leon (as Philip Hill Pearson) Leon (as Philip Hill Pearson) See fewer	Tinker Tailor Soldier Spy (2011)
Nikhil Dubey Doctor Doctor See fewer	Swings and Roundabouts (2019)
Jason O'Mara Paul Madigan Paul Madigan See fewer	Agents of S.H.I.E.L.D. (2013)
Éanna Hardwicke Joe Ryan Joe Ryan See fewer	Vivarium (2019)
Carrie Crowley Mairead Noonan Mairead Noonan See fewer	The Quiet Girl (2022)
Elijah O'Sullivan Jacob Dwyer Jacob Dwyer See fewer	Vikings (2013)
Seána Kerslake Grace Ahern Grace Ahern See fewer	The Hole in the Ground (2019)
Aoibhinn McGinnity Sgt. Aoife O'Rourke Sgt. Aoife O'Rourke See fewer	Quarry (2016)
Felix Kenny Teenager on a Beach Teenager on a Beach See fewer	Smother (2021)
Síle Fitzgerald Baby Nell Baby Nell See fewer	Smother (2021)
Clare Calbraith Cheryl (as Claire Calbraith) Cheryl (as Claire Calbraith) See fewer	Grace (2021)
Cillian Ò Murchù Background Background See fewer	Smother (2021)