Aaron Heffernan (born 23 February 1990) is an Irish actor known for his roles in Love/Hate, Brassic, Obsession: Dark Desires and War of the Worlds.^[1][2][3]

Heffernan grew up in Dublin, Ireland. His father, David, is a radio producer. Aaron has two older brothers: Simon, a personal trainer and online coach. And Jesse, a hip hop artist.^[4] His first cousin is model Thalia Heffernan. He studied drama and classics at Trinity College Dublin. In 2012, he co-founded the Collapsing Horse Theatre Company with fellow student and actor Jack Gleeson.^{[5][6][7][2][8][9][10]}