

Cast & creator
Best known for EastEnders, Emmerdale, The Witcher: Blood Origin
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.
4
film credits
5
television credits
8
1972–2025 · acting roles
5.2
average across scored titles
Signature credits
Across film & television
Showing 9 of 9 credits

Lewis Butler
1985
Mike
1972
Kareg
2022
Alan
2019
Jake
2021Alberto
2014Col
2025
Terry
2024
Associate Producer
2024