Name	Known for
Maclean Burke Damien Halpin Damien Halpin See fewer	Saving Private Ryan (1998)
Una Crawford O'Brien Renee Phelan Renee Phelan See fewer	Single-Handed (2007)
Niamh Daly Debbie O'Brien Debbie O'Brien See fewer	Heartbeat (1992)
Lena-Marie Fitzgerald Fidelma Taylor (as Lena Marie Fitzgerald) Fidelma Taylor (as Lena Marie Fitzgerald) See fewer	The Wonder (I) (2022)
Joe Hanley Hughie Phelan Hughie Phelan See fewer	The Count of Monte Cristo (2002)
George Hanover DI Audrey McCabe DI Audrey McCabe See fewer	The Randomer (2016)
Caroline Harvey Farrah Clayton Farrah Clayton See fewer	The Crucible (2024)
Alan Howley Eoghan O'Brien Eoghan O'Brien See fewer	Harry Wild (2022)
Tom Jordan Charlie Kelly Charlie Kelly See fewer	Remington Steele (1982)
Una Kavanagh Heather Daly Heather Daly See fewer	Constance (2021)
Amilia Keating Katy O'Brien (as Amilia Stewart) Katy O'Brien (as Amilia Stewart) See fewer	Fair City (1989)
Daithí Mac Suibhne Emmet O'Brien Emmet O'Brien See fewer	Redemption (I) (2022)
Geoff Minogue Tommy Dillon Tommy Dillon See fewer	Once (I) (2007)
Eamon Morrissey Cass Cassidy Cass Cassidy See fewer	This Is My Father (1998)
Bryan Murray Bob Charles Bob Charles See fewer	The Professor and the Madman (2019)
Tommy O'Neill John Deegan John Deegan See fewer	Titanic: Blood and Steel (2012)
Geraldine Plunkett Rose O'Brien Rose O'Brien See fewer	Glenroe (1983)
Martina Stanley Dolores Molloy Dolores Molloy See fewer	The Lonely Passion of Judith Hearne (1987)
Johnny Ward Ciaran Holloway Ciaran Holloway See fewer	This Must Be the Place (2011)