He has appeared in numerous Irish television and film projects, including Wrath of the Crows (2013) and A Nightingale Falling (2014). He also starred in Christian Blake (2008), The Inside (2012) and Cold (2013), by director Eoin Macken. He played the main character in the independent Irish film The Last Show (2015), directed by Rita Marie Lawlor.
|2005||Hill 16||Mr. Brady|
|2008||Christian Blake||Dr. Rush|
|2013||Wrath of the Crows||Hugo|
|2013||An Irish Exorcism||Father Byrne|
|2013||How to Be Happy||Larry|
|2014||A Nightingale Falling||Tom Nolan|
|2015||The Last Show||The Director|
|2015||Spider's Trap||Mr. Carter|
|2016||The Secret Scripture||Psychiatrist analyst|
|2017||The Professor and the Madman||Head Board Member|
|2011–2016||Game of Thrones||Othell Yarwyck||14 episodes|
|2015||Vikings||Injured Noble||1 episode ("Paris")|
- "Game of Thrones filming heads to Bangor Castle's Walled Garden". Watchers on the Wall. 7 December 2014.
- Cashin, Rory (25 November 2015). ""Trying to keep that secret was like I really did murder somebody". Exclusive interview with Game Of Thrones actor Brian Fortune". newstalk.com. Retrieved 13 April 2016.
- "Interview: Brian Fortune". Universal Artists. 25 July 2014.
- Ellis Ryan (10 September 2014). "Film made in tyrrellspass and daingean opens for one week run this friday". Westmeath Examiner. Retrieved 20 January 2016.