Aidan Murphy (born 1967 or 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...