Alex O'Loughlin

'''Alex O'Loughlin''' (born 24 August 1976) is an Australian actor, writer, director, and producer, who portrayed Lieutenant Commander Steve McGarrett on CBS' remake of the TV series ''Hawaii Five-0'' (2010–2020). 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'' (2007–2008) and ''Three Rivers'' (2009–2010). Provided by Wikipedia