Aidan Gillen is an Irish actor. He is best known for portraying Petyr “Littlefinger” Baelish in the HBO series Game of Thrones (2011), CIA operative Bill Wilson in The Dark Knight Rises (2012), Stuart Alan Jones in the Channel 4 series Queer as Folk (1999), John Boy in the RTÉ Television series Love/Hate (2010), and Tommy Carcetti in the HBO series The Wire (2002).
In 2011, Gillen began playing Petyr “Littlefinger” Baelish on the HBO series Game of Thrones (2011), for which he received his second Irish Film & Television Award nomination.
In 2015 he starred in Maze Runner: The Scorch Trials (2015) the second film in the Maze Runner trilogy.