Seamus O'Hara

Biography

Seamus O'Hara (born 25 June 1990) is a Northern Irish actor.

Known For

Game of Thrones

Line of Duty

Dungeons & Dragons: Honor Among Thieves

Shadow and Bone

Sherlock & Daughter

The Northman

Blue Lights

Say Nothing

All Movies (14)

• Mourning Glory2025 · as Niall
• Nostalgie2025 · as Steak
• Three Keenings2024
• In the Land of Saints and Sinners2023 · as Seamus McKenna
• Dungeons & Dragons: Honor Among Thieves2023 · as Presto
• The Northman2022 · as Audunn the Irish
• Mandrake2022 · as Thomas
• An Irish Goodbye2022 · as Turlough
• Just Johnny2021 · as Stephen
• Agatha and the Truth of Murder2018 · as PC Spencer
• National Theatre Collection: Translations2018 · as Manus
• Zoo2018 · as Soldier
• Dust2015
• The State of Us— · as Frank

All TV Shows (10)

• House of Guinness2025 · as Patrick Cochrane
• Sherlock & Daughter2025 · as O'Leary
• Say Nothing2024 · as Mackers
• Blue Lights2023 · as Lee Thompson
• Hope Street2021 · as Eddie McNulty
• Shadow and Bone2021 · as Sergeant Halsov
• Line of Duty2012 · as Arresting PC
• Game of Thrones2011 · as Fergus
• Storyland2009 · as Ivan
• Close to Home— · as Anthony