Aidan Gillen or Aidan Murphy is an Irish actor. He is best known for portraying Petyr "Littlefinger" Baelish in Game of Thrones, Stuart Alan Jones in series Queer as Folk (2000), Tommy Carcetti in series The Wire (2002) and Janson in Maze Runner: The Scorch Trials (2015) and Maze Runner: The Death Cure (2018).
Gillen married Olivia O'Flanagan in 2001. The couple have two children, they separated in 2014. Gillen's current partner is singer Camille O'Sullivan.
He plays Aberama Gold in Peaky Blinders.