Name	Known for
Cathy Belton Patricia Hennessy Patricia Hennessy See fewer	Philomena (2013)
Stephen Cromwell Keith Kiely Keith Kiely See fewer	The Devil's Woods (2015)
David Crowley Garda Sean Holden Garda Sean Holden See fewer	Love, Rosie (2014)
Maghnús Foy Robbie Scanlon (as Maghnús Felix Foy) Robbie Scanlon (as Maghnús Felix Foy) See fewer	Harry Wild (2022)
Fionna Hewitt-Twamley Ailis Scanlon Ailis Scanlon See fewer	Cardboard Gangsters (2017)
Paul Hickey Garda Sgt. Johno O'Riordan Garda Sgt. Johno O'Riordan See fewer	Doctor Who (2005)
Andrea Irvine Garda Det. Angela Tyrell Garda Det. Angela Tyrell See fewer	Ella Enchanted (2004)
Stephen Jones Laser Byrne Laser Byrne See fewer	Northern Lights (2023)
Pandora McCormick Claire Hennessy Claire Hennessy See fewer	Red Rock (2015)
Jane McGrath Garda Sharon Cleere Garda Sharon Cleere See fewer	Black Ice (2013)
David McLacey Reporter (as David McMahon) Reporter (as David McMahon) See fewer	The Cured (2017)
Conor Mullen Garda Supt. Kevin Dunne Garda Supt. Kevin Dunne See fewer	Red Rock (2015)
Chris Newman Garda Rory Walsh Garda Rory Walsh See fewer	Ferocious Planet (2011)
Jack Nolan Michael Hennessy Michael Hennessy See fewer	Casualty (1986)
Roisin O'Donovan Niamh Reid Niamh Reid See fewer	Red Rock (2015)
Paul Roe Vincent Kiely Vincent Kiely See fewer	Sing Street (2016)
Patrick Ryan Garda Paudge Brennan Garda Paudge Brennan See fewer	Game of Thrones (2011)
Adam Weafer David Hennessy David Hennessy See fewer	Red Rock (2015)