Chris O'Dowd had a role in an TV series.
Christopher `` Chris '' O'Dowd ( born 9 October 1979 ) is an Irish actor , best known for comedic roles such as Roy Trenneman in the Channel 4 comedy The IT Crowd . O'Dowd created and starred in the Sky 1 television series Moone Boy , which aired between 2012 and 2015 . He had a recurring role on the drama series Girls and starred in the television series Family Tree . The IT Crowd is a British sitcom by Channel 4 , written by Graham Linehan ( who also co-created and co-wrote Father Ted ) , produced by Ash Atalla and starring Chris O'Dowd , Richard Ayoade , Katherine Parkinson , and Matt Berry .