Name	Known for
Michael Smiley Brock Blennerhasset Brock Blennerhasset See fewer	Kill List (2011)
Kerr Logan Conall Molloy Conall Molloy See fewer	Alias Grace (2017)
Eileen O'Higgins Nancy Vickers Nancy Vickers See fewer	Brooklyn (2015)
Aidan O'Hare Frederick Regan Frederick Regan See fewer	Jackie (V) (2016)
Mark Rendall Percy Cummins (as Mark J Rendall) Percy Cummins (as Mark J Rendall) See fewer	30 Days of Night (2007)
Jimmy Smallhorne Cecil Carruthers Cecil Carruthers See fewer	2by4 (1998)
Mark O'Halloran Auguste Breslin Auguste Breslin See fewer	Adam & Paul (2004)
Art Campion Henry Vickers (as Peter Campion) Henry Vickers (as Peter Campion) See fewer	Sing Street (2016)
Rhys Dunlop Ronnie Roper Ronnie Roper See fewer	The Secret (2016)
Norma Sheahan Lucinda Breslin Lucinda Breslin See fewer	Dead Still (2020)
Ian Toner Emil Czerny Emil Czerny See fewer	Dominion Creek (2015)
Jonathan Delaney Tynan Louis Cannon Louis Cannon See fewer	Gretel & Hansel (2020)
Gemma-Leah Devereux Hanna Dubby Hanna Dubby See fewer	Judy (II) (2019)
Aoife Duffin Betty Regan Betty Regan See fewer	Moone Boy (2012)
Antoin Ó'Dochartaigh Ivor & Samuel Breslin Ivor & Samuel Breslin See fewer	Dead Still (2020)
Natalia Cooper Vicenta Vicenta See fewer	Ruido Blanco (2024)
David Duggan Card Dealer + Upper Class Victorian (uncredited) Card Dealer + Upper Class Victorian (uncredited) See fewer	The Rhythm Section (2020)