Biography
Aidan O'Callaghan is an accomplished actor recognized for his compelling performances across television, film, and theatre. His role as Kareg in The Witcher: Blood Origin (Netflix) marked a significant milestone in his career, placing him within the expansive and beloved Witcher franchise. This Netflix prequel, which features an ensemble cast including Michelle Yeoh and Jodie Turner-Smith, has captivated audiences worldwide, amassing over 30 million views since its release.
In addition to The Witcher, Aidan has showcased his versatility in various projects, including notable international television series such as The Rook (Starz) and Wolfe (Sky). His film credits include the BAFTA and Oscar contender A Simple Killing (2024) and Somatic (2016), where he took on complex roles that demonstrate his range as an actor. While his early recognition came from his time on EastEnders and Emerdale, it is his dynamic performances and dedication to his craft that continue to resonate with audiences.
With a growing reputation for tackling diverse characters, Aidan O'Callaghan is poised for an exciting future in the entertainment industry, captivating viewers with each new role he takes on.
Filmography
Cast Credits
The Reckoning of Erin Morrigan
Character: Col
MOVIE • 2025

The Witcher: Blood Origin
Character: Kareg
TV • 2022

Wolfe
Character: Jake
TV • 2021

The Rook
Character: Alan
TV • 2019

Here Be Dragons
Character: BlueAlan
MOVIE • 2018
Creep House
Character: Alberto
MOVIE • 2014

EastEnders
Character: Lewis Butler
TV • 1985

Emmerdale
Character: Mike
TV • 1972
Crew