Full Name: Aidan Murphy (stage name: Aidan Gillen)
Date of Birth: April 24, 1968 (Age 57)
Birthplace: Drumcondra, Dublin, Ireland
Occupation: Actor
Net Worth: ~$4 million
Height: 5’9″ / 175 cm
Zodiac Sign: Taurus
Two of the most calculating characters in prestige television — Tommy Carcetti from The Wire and Petyr “Littlefinger” Baelish from Game of Thrones — share the same face. That face belongs to Aidan Gillen, a Dublin-born actor who’s spent three decades turning morally ambiguous schemers into some of the most watchable people on screen. He didn’t land these roles by accident. Gillen built his craft through years of Irish theater, a groundbreaking UK drama, and a steady stream of film work that proved he could handle far more than a single genre.
Early Life and Background
Aidan Gillen was born Aidan Murphy on April 24, 1968, in the Drumcondra neighborhood of Dublin, Ireland. He’d later adopt his mother’s maiden name — Gillen — as his professional stage name. Details about his parents and family background remain largely private, something he’s maintained throughout his career.
He attended St. Vincent’s CBS in Dublin’s Glasnevin area for his early schooling. Acting grabbed him young. As a teenager, he joined the Dublin Youth Theatre, where he landed his first role playing Nick Bottom in A Midsummer Night’s Dream. That early taste of the stage was enough. He moved to London to pursue acting seriously and connected with the Project Arts Centre, sharpening his skills through a string of theatrical productions during the late 1980s and early 1990s.
Career
Queer as Folk and Early Breakthrough
Gillen spent years grinding through stage work and small-screen appearances before Russell T Davies cast him as Stuart Alan Jones in the Channel 4 series Queer as Folk (1999-2000). The show was raw, provocative, and unlike anything British TV had produced. Gillen’s performance as the charismatic, unapologetic Stuart earned him a BAFTA nomination for Best Actor — a significant nod for an Irish actor working in British television at the time. He’d also earned a Tony Award nomination for his Broadway turn in Harold Pinter’s The Caretaker, proving he could command a stage on either side of the Atlantic.
Tommy Carcetti on The Wire
In 2004, David Simon cast Gillen as Tommy Carcetti in HBO’s The Wire, widely regarded as one of the greatest TV dramas ever produced. Carcetti was an ambitious Baltimore city councilman who schemed his way into the mayor’s office — a character who started with genuine reformist ideals before political reality ground them down. Gillen played the role across seasons 3 through 5 (2004-2008), and the part demanded he convincingly shift from idealistic underdog to compromised politician. He pulled it off with precision. The role earned him an Irish Film & Television Award (IFTA) for Best Actor in a Lead Role in Television in 2009.
Game of Thrones and Littlefinger
If The Wire made Gillen respected, Game of Thrones made him globally recognized. He joined HBO’s fantasy epic in its first season (2011) as Petyr “Littlefinger” Baelish, the soft-spoken brothel owner and master manipulator who orchestrated chaos across Westeros. Littlefinger operated on a simple philosophy: chaos wasn’t a pit but a ladder, and he intended to climb it all the way to the Iron Throne.
Gillen played the character across six seasons (2011-2017), appearing in 39 episodes total. His Littlefinger was defined by whispered conversations, barely perceptible smiles, and a menace that lived just beneath a veneer of helpfulness. The character’s arc — from minor lord to one of the realm’s most dangerous power players — required Gillen to walk a tightrope between charm and threat in nearly every scene. His execution of the role turned Littlefinger into one of the show’s most discussed and debated characters.
Film Work and Later Television
Between his major TV commitments, Gillen kept busy on the big screen. He played a CIA agent in Christopher Nolan’s The Dark Knight Rises (2012) — a brief but memorable role that spawned one of the internet’s most enduring memes. He took on the antagonist Janson in Maze Runner: The Scorch Trials (2015) and its sequel Maze Runner: The Death Cure (2018). He also portrayed Queen’s manager John Reid in the Freddie Mercury biopic Bohemian Rhapsody (2018).
On the Irish television front, Gillen played John Boy in the crime drama Love/Hate (2010-2011), a role that connected with domestic audiences. He then joined the cast of Peaky Blinders in 2019 as Aberama Gold, a fierce Romani bare-knuckle fighter. He also headlined The History Channel’s Project Blue Book (2019-2020) as Dr. J. Allen Hynek, the real-life astronomer who investigated UFO sightings for the U.S. Air Force.
Throughout his career, Gillen has collected three Irish Film & Television Awards and earned nominations for a BAFTA, a Tony, a British Independent Film Award, and multiple Screen Actors Guild Awards alongside the Game of Thrones ensemble cast.
Personal Life
Gillen has kept his personal life largely out of the tabloids — a deliberate choice for someone who’s appeared in some of the most talked-about shows in television history. He was in a long-term relationship with Olivia O’Flanagan, and the couple had two children together. They married in 2001 but separated around 2005. Despite the split, they’ve reportedly maintained an amicable relationship. When Gillen won his IFTA in 2009, he dedicated the award to O’Flanagan and their children.
He was later linked to Irish singer and performer Camille O’Sullivan. Gillen continues to live in Dublin, staying close to his roots even as his career spans Hollywood blockbusters and international television productions. He’s known among colleagues for being intensely private and deeply focused on his craft rather than the celebrity machine.
Net Worth
Aidan Gillen’s net worth sits at approximately $4 million. The bulk of that fortune comes from his television work, particularly his multi-season runs on The Wire and Game of Thrones — both HBO productions known for compensating lead cast members well as shows progressed through later seasons. His film roles in major franchises like The Dark Knight Rises, the Maze Runner series, and Bohemian Rhapsody added to his earnings. With continued work in television and film, that figure has room to grow.
Frequently Asked Questions
What is Aidan Gillen’s real name?
His birth name is Aidan Murphy. He adopted “Gillen” — his mother’s maiden name — as his professional stage name early in his acting career.
How many seasons was Aidan Gillen in Game of Thrones?
Gillen appeared in six seasons of Game of Thrones (seasons 1 through 7, from 2011 to 2017), totaling 39 episodes as Petyr “Littlefinger” Baelish. His character was killed off in the season 7 finale.
Was Aidan Gillen in The Dark Knight Rises?
Yes. He played a CIA agent in the opening plane sequence of Christopher Nolan’s 2012 film The Dark Knight Rises. The scene — featuring his exchange with Tom Hardy’s Bane — became one of the most memed moments in movie history.
Is Aidan Gillen Irish?
Yes. He was born and raised in Drumcondra, Dublin, Ireland. Despite spending stretches of his career working in London and the United States, he’s continued to live in Dublin and has remained active in Irish theater and television throughout his career.
