★ 7.3 
Acting
Oisín Stack
Oisín Stack is best known for Absentia, Rosemary's Baby, Grace and Missions.
Biography
Oisín Stack is an Irish actor. He played Kat Moon's long-lost son, Dermott Dolan, in the EastEnders spin-off series Kat and Alfie: Redwater and Elliot in Absentia.
Known for
Filmography
- 2021GraceJason
- 2017MissionsSubalterne Jason
- 2017Mata HariГабриэль Астрюк
- 2017AbsentiaElliot Brandstetter
- 2014Rosemary's BabyDr. Bernard
- 2013DétectivesBéranger Heymans
Frequently asked questions
What movies and shows has Oisín Stack been in?
Oisín Stack is best known for Absentia, Rosemary's Baby, Grace and Missions.
Updated: October 26, 2026 ·