Name	Known for
Dervla Kirwan Val Ahern Val Ahern See fewer	Ondine (2009)
Gemma-Leah Devereux Anna Ahern Anna Ahern See fewer	Judy (II) (2019)
Niamh Walsh Jenny Ahern Jenny Ahern See fewer	The Sandman (2022)
Conor Mullen Frank Ahern Frank Ahern See fewer	Red Rock (2015)
Aideen Wylde Registrar Registrar See fewer	I Kill Giants (2017)
James O'Donoghue Calum Dwyer Calum Dwyer See fewer	Smother (2021)
Elijah O'Sullivan Jacob Dwyer Jacob Dwyer See fewer	Vikings (2013)
Dean Fagan Finn Ahern Finn Ahern See fewer	Smother (2021)
Fionnula Flanagan Caro Noonan Caro Noonan See fewer	The Others (2001)
Carrie Crowley Mairead Noonan Mairead Noonan See fewer	The Quiet Girl (2022)
Clare Calbraith Cheryl (as Claire Calbraith) Cheryl (as Claire Calbraith) See fewer	Grace (2021)
Jason O'Mara Paul Madigan Paul Madigan See fewer	The Man in the High Castle (2015)
Aoibhinn McGinnity Sgt. Aoife O'Rourke Sgt. Aoife O'Rourke See fewer	Quarry (2016)
Éanna Hardwicke Joe Ryan Joe Ryan See fewer	Vivarium (2019)
Justine Mitchell Elaine Lynch Elaine Lynch See fewer	Your Bad Self (2010)
Seána Kerslake Grace Ahern Grace Ahern See fewer	The Hole in the Ground (2019)
Síle Fitzgerald Baby Nell Baby Nell See fewer	Smother (2021)
Philip Hill-Pearson Leon (as Philip Hill Pearson) Leon (as Philip Hill Pearson) See fewer	War Horse (2011)