Aidan Murphy (born 24 April 1968), better known as Aidan Gillen (/ˈɡɪlən/), is an Irish actor. He is known for his roles as Stuart Alan Jones in Queer as Folk (1999-2000); Tommy Carcetti in The Wire (2004-2008); John Boy in Love/Hate (2010-2011); Petyr "Littlefinger" Baelish in Game of Thrones (2011-2017), Aberama Gold in Peaky Blinders (2017-2019); as Milo Sunter on Mayor of Kingstown (2021-pres…