Seamus O'Hara

Seamus O'Hara

Acting

Born June 25, 1990 · Ballymena, County Antrim, Northern Ireland, UK

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

Known for

Game of Thrones

Game of Thrones

2011

Line of Duty

Line of Duty

2012

Sherlock & Daughter

Sherlock & Daughter

2025

Dungeons & Dragons: Honor Among Thieves

Dungeons & Dragons: Honor Among Thieves

2023

Shadow and Bone

Shadow and Bone

2021

Hope Street

Hope Street

2021

Blue Lights

Blue Lights

2023

The Northman

The Northman

2022

Acting(25)

2025Mourning GloryNiall

2025NostalgieSteak

2025House of GuinnessPatrick Cochrane

2025Sherlock & DaughterO'Leary

2024Three Keenings

2024Say NothingMackers

2023In the Land of Saints and SinnersSeamus McKenna

2023Blue LightsLee Thompson

2023Dungeons & Dragons: Honor Among ThievesPresto

2022The NorthmanAudunn the Irish

2022MandrakeThomas

2022An Irish GoodbyeTurlough

2021Hope StreetEddie McNulty

2021Just JohnnyStephen

2021Shadow and BoneSergeant Halsov

2018Agatha and the Truth of MurderPC Spencer

2018National Theatre Collection: TranslationsManus

2012Line of DutyArresting PC

2011Game of ThronesFergus

2009StorylandIvan

The State of UsFrank

Close to HomeAnthony

Seamus O'Hara — Watchpile | Watchpile