Aidan Gillen: Aidan Gillen. Actor: Game of Thrones. 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).
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