Aaron McCusker (born 26 November 1978) is a Northern Irish actor. He is known for his portrayal of Jamie Maguire in the Channel 4's television series Shameless and Jim Hutton, Freddie Mercury's partner, in the Bohemian Rhapsody film.
McCusker was born in Portadown, County Armagh. He was a member of the local drama group called The Phoenix Players.
McCusker appeared in Ultimate Force, The Bill and a TV adaptation of Jonathan Coe's novel The Rotters' Club. In April 2009 he married his long term girlfriend, Jennie Sutton at Beamish Hall, a country house hotel.
He starred in the video for the song "Making Money" by Microlip. He played serial killer AJ Yates in season eight of Dexter. He portrayed astronaut Wally Schirra in the ABC series The Astronaut Wives Club. He played Jason Donnelly in the psychological thriller Fortitude. On April 18, 2016, he appeared as Wesley, an MI6 agent, on the American police drama Castle (episode: "Backstabber"). McCusker played Freddie Mercury's boyfriend Jim Hutton in the biopic Bohemian Rhapsody (2018).