
Acting
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 Natio…

Hawaii Five-0
as Steve McGarrett · 240 ep.

Three Rivers
as Dr. Andy Yablonski · 13 ep.

Moonlight
as Mick St. John · 16 ep.

Criminal Minds
as Vincent · 1 ep.

The Incredible Journey of Mary Bryant
as William 'Will' Bryant · 2 ep.

Jimmy Kimmel Live!
as Self - Guest · 1 ep.

The Shield
as Kevin Hiatt · 7 ep.

White Collar Blue
as Ian Mack · 1 ep.
The Back-Up Plan
2010