Biography

Alex O'Loughlin 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).

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.

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.

O'Loughlin began working in short films and fringe theatre as a teenager in Sydney. One of his first acting jobs was an extra in a commercial, playing a Marine. After graduating from NIDA (National Institute of Dramatic Arts), he began his career in Australian television and film productions. Some of his TV credits include roles in BlackJack: Sweet Science, Love Bytes and White Collar Blue.

Alex O'Loughlin 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).

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.

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.

O'Loughlin began working in short films and fringe theatre as a teenager in Sydney. One of his first acting jobs was an extra in a commercial, playing a Marine. After graduating from NIDA (National Institute of Dramatic Arts), he began his career in Australian television and film productions. Some of his TV credits include roles in BlackJack: Sweet Science, Love Bytes and White Collar Blue.

Personal Info

Known For Acting

Gender Male

Known Credits 15

Birthday 1976-08-24

Place of Birth Canberra, Australian Capital Territory, Australia

Official Site -

Also Known As

  • -

Acting TV ShowsMovies

2010 Hawaii Five-0 (218 episodes) as Steve McGarrett
2010 The Back-Up Plan as Stan
2009 Three Rivers (13 episodes) as Dr. Andy Yablonski
2009 Whiteout as Russell Haden
2007 August Rush as Marshall
2007 Moonlight (16 episodes) as Mick St. John
2007 The Invisible as Marcus Bohem
2006 The Holiday as Kissing Couple
2005 The Incredible Journey of Mary Bryant (2 episodes) as William 'Will' Bryant
2005 Criminal Minds (1 episode) as Vincent
2005 Oyster Farmer as Jack Flange
2005 Feed as Michael Carter
2005 Man-Thing as Deputy Eric Fraser
2004 BlackJack- Sweet Science as Luke Anderson
2002 The Shield (23 episodes) as Detective Kevin Hiatt

Writing

2010 Hawaii Five-0 (1 episode)Story
2005 Feed Idea

Directing

2010 Hawaii Five-0 (2 episodes)Director

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