Aaron McCusker (born 26 November 1978 in Portadown, County Armagh) is an Irish actor most famous for playing Jamie Maguire in Channel 4's comedic drama series Shameless. He currently lives in Hale, Trafford.McCusker has also appeared in Ultimate Force, The Bill and a TV adaptation of Jonathan Coe's novel The Rotters' Club. McCusker has spent some of his life in both Glasgow and Belfast. In April 2009 he married his long term girlfriend Jennie Sutton.McCusker also started in the video for the song "Making Money" by Microlip.On Soccer AM, he revealed he supported both Celtic FC and Liverpool FC.He played serial killer AJ Yates in season eight of Dexter.He is set to play Wally Schirra on the upcoming ABC series The Astronaut Wives Club.