Alex O'Loughlin is an Australian actor, best-known for his roles in Oyster Farmer, The Shield and Moonlight.

The Australian actor Alex O'Loughlin was born in August 1975. Alex started out his film career in 2004, when he starred in The Oyster Farmer as Jack Flinge. The following year, he returned to the big screen in Feed as Michael Carter, a movie which he also co-produced and helped write. Also released that year was a movie titled Man-Thing, in which Alex played Deputy Eric Fraser. However, his most recent role in a feature film was that of Marcus Bohem in The Invisible, released in 2007. Alex acted in the Australian miniseries "The Incredible Journey of Mary Bryant" as the title role's husband. Alex also made his way to American serialized television, on "The Shield" as Detective Kevin Hiatt, the newest member of the strike team. Alex can be seen in August Rush as Marshall, a movie being released in 2007, and also Whiteout, potentially in 2008. In 2005, he was nominated for The Australian Film Institute's "Best Lead Actor in Television" for his role in "Mary Bryant". In 2006 he was nominated for the Logie Awards' "Silver Logie" in the same category and role.