Seamus O'Hara

Seamus O'Hara

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

More details

Known For

Game of Thrones

Game of Thrones

2011 • as Fergus

Shadow and Bone

Shadow and Bone

2021 • as Sergeant Halsov

Sherlock & Daughter

Sherlock & Daughter

2025 • as O'Leary

Say Nothing

Say Nothing

2024 • as Mackers

Dungeons & Dragons: Honor Among Thieves

Dungeons & Dragons: Honor Among Thieves

2023 • as Presto

Blue Lights

Blue Lights

2023 • as Lee Thompson

Filmography

2025

Sherlock & Daughter
Sherlock & Daughter
as O'Leary
TV - Released: 4/16/2025

2024

Three Keenings
Three Keenings
Movie - Released: 11/15/2024
Say Nothing
Say Nothing
as Mackers
TV - Released: 11/14/2024

2023

Dungeons & Dragons: Honor Among Thieves
Dungeons & Dragons: Honor Among Thieves
as Presto
Movie - Released: 3/23/2023
In the Land of Saints and Sinners
In the Land of Saints and Sinners
as Seamus McKenna
Movie - Released: 10/6/2023
Blue Lights
Blue Lights
as Lee Thompson
TV - Released: 3/27/2023

2022

An Irish Goodbye
An Irish Goodbye
as Turlough
Movie - Released: 3/4/2022
Mandrake
Mandrake
as Thomas
Movie - Released: 3/12/2022
The Northman
The Northman
as Audunn the Irish
Movie - Released: 4/7/2022

2021

Just Johnny
Just Johnny
as Stephen
Movie - Released: 7/21/2021
Shadow and Bone
Shadow and Bone
as Sergeant Halsov
TV - Released: 4/23/2021
Hope Street
Hope Street
as Eddie McNulty
TV - Released: 11/24/2021

2018

Zoo
Zoo
as Soldier
Movie - Released: 6/8/2018
Agatha and the Truth of Murder
Agatha and the Truth of Murder
as PC Spencer
Movie - Released: 12/23/2018
National Theatre Collection: Translations
National Theatre Collection: Translations
as Manus
Movie - Released: 7/31/2018

2015

Movie
Dust
Movie - Released: 10/25/2015

2011

Game of Thrones
Game of Thrones
as Fergus
TV - Released: 4/17/2011

Unknown

TV
House of Guinness
as Patrick Cochrane
TV