Name	Known for
Anthony Boyle Arthur Guinness Arthur Guinness See fewer	Tolkien (2019)
Cúán Hosty-Blaney Patrick Patrick See fewer	Dead of Winter (2025)
Michael Power Uniformed Officer Uniformed Officer See fewer	The Witcher (2019)
Louis Partridge Edward Guinness Edward Guinness See fewer	Enola Holmes (2020)
Ann Skelly Adelaide 'Dodo' Guinness Adelaide 'Dodo' Guinness See fewer	The Nevers (2021)
Danielle Galligan Lady Olivia Hedges Lady Olivia Hedges See fewer	Shadow and Bone (2021)
Michael McElhatton John Potter John Potter See fewer	Game of Thrones (2011)
Michael Colgan Rev. Henry Grattan Guinness Rev. Henry Grattan Guinness See fewer	House of Guinness (2025)
James Norton Sean Rafferty Sean Rafferty See fewer	Little Women (2019)
Joe Mullins Foreman Foreman See fewer	House of Guinness (2025)
Jack Gleeson Byron Hedges Byron Hedges See fewer	Game of Thrones (2011)
Niamh McCormack Ellen Cochrane Ellen Cochrane See fewer	Dungeons & Dragons: Honor Among Thieves (2023)
Emily Fairn Anne Plunket Anne Plunket See fewer	Saturday Night (2024)
Fionn O'Shea Benjamin Guinness Benjamin Guinness See fewer	Handsome Devil (2016)
Dervla Kirwan Aunt Agnes Guinness Aunt Agnes Guinness See fewer	Ondine (2009)
Tim Creed Rev. William Plunket Rev. William Plunket See fewer	Dominion Creek (2015)
Jessica Reynolds Lady Christine O'Madden Lady Christine O'Madden See fewer	Kneecap (2024)
David Wilmot Bonnie Champion Bonnie Champion See fewer	Anna Karenina (I) (2012)
Ciaran Coll Raffertys Man (uncredited) Raffertys Man (uncredited) See fewer	Giant (2025)
Stephen Mckay Guinness Worker (uncredited) Guinness Worker (uncredited) See fewer	Chakda 'Xpress