Alex O\'Loughlin /oʊˈlɒklɪn/ (born 24 August 1976) is an Australian actor, writer and director, who plays Lieutenant Commander Steve McGarrett on CBS\' remake of the TV series Hawaii Five-0. He had starring roles in the films Oyster Farmer (2004) and The Back-up Plan (2010), as well as on such television series as Moonlight (2008) and Three Rivers (2009).\n', '

O\'Loughlin was born on 24 August 1976, in Canberra, Australia, of Irish and Scottish descent. His father is a physics and astronomy teacher in Sydney and his mother is a nurse.\n', '

O\'Loughlin suffered from obsessive-compulsive disorder when he was a child. He enrolled at the National Institute of Dramatic Art (NIDA) in Sydney in 1999 and graduated in June 2002 after completing a three-year, full-time Bachelor of Dramatic Art program.\n', '

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