Name	Known for
Jamie Dornan Elliot Elliot See fewer	Belfast (2021)
Danielle Macdonald Helen Chambers Helen Chambers See fewer	Patti Cake$ (2017)
Olwen Fouéré Niamh Cassidy Niamh Cassidy See fewer	The Watchers (I) (2024)
Francis Magee Frank McDonnell Frank McDonnell See fewer	Layer Cake (2004)
Greg Larsen Ethan Krum Ethan Krum See fewer	Crankees: Punch the Boss (2022)
Conor MacNeill Detective Ruairi Slater Detective Ruairi Slater See fewer	Industry (2020)
Mark McKenna Fergal McDonnell Fergal McDonnell See fewer	Sing Street (2016)
Nessa Matthews Orla McDonnell Orla McDonnell See fewer	The Tourist (2022)
Diarmaid Murtagh Donal McDonnell Donal McDonnell See fewer	Vikings (2013)
Kevin Oliver Lynch Garda Garda See fewer	FBI: Most Wanted (2020)
Brian Robinson Sean Sean See fewer	2 Broke Girls (2011)
Fin Dowling Ned Tooley Ned Tooley See fewer	The Tourist (2022)
Alma Kickham Deirdre Deirdre See fewer	The Tourist (2022)
Rory Mullen Liam Liam See fewer	Hunger (2008)
Réginal Kudiwu Monsieur Tioté (as Réginal-Roland Kudiwu) Monsieur Tioté (as Réginal-Roland Kudiwu) See fewer	Valerian and the City of a Thousand Planets (2017)
Raresh DiMofte Tomasz Tomasz See fewer	House of David (2025)
Phelim Drew Cassidy's Barman Cassidy's Barman See fewer	My Left Foot (1989)
Ian Dillon New Age Traveller (uncredited) New Age Traveller (uncredited) See fewer	This is Not a Murder Mystery (2025)