Initially starting out in theatre, he changed his name to Killian Scott to avoid confusion with
Cillian Murphy, another Irish actor. He gained fame in Ireland for the role of Tommy in
Love/Hate, which first started airing in 2010. During the next few years, Scott appeared in small roles in films including ''
'71 and Calvary'', as well as starring in 2013's
Black Ice. After
Love/Hate finished, Scott appeared in his first lead role in Irish thriller film
Traders in 2015. Scott joined
Ripper Street for series four and five in 2016, portraying Assistant Commissioner Augustus Dove. The same year, he appeared in
Trespass Against Us. In January 2018,
Damnation was cancelled after its first season. He starred in
The Commuter with
Liam Neeson in 2018, and described the film as a "genuine career highlight". The series was filmed in Belfast and Dublin over seven months. In April 2021, Scott was cast in the
Disney+ series
Secret Invasion, set in the
Marvel Cinematic Universe. In 2026, Scott played Commander Noah Pierson in Season 3 of the BBC TV Series
The Capture. ==Filmography==