Alex O’Loughlin Biography: TV Drama, Girfriend, Wife, Net Worth, Height, Ethnicity, Age, Parents, Siblings, Kids

Alexander O’Lachlan, known professionally as Alex O’Loughlin, is an Australian actor, writer, director, and producer best recognized for his leading role as Lieutenant Commander Steve McGarrett in the CBS action drama Hawaii Five-0 (2010–2020).

His rugged charm and intense performances have also earned him acclaim in series like Moonlight (2007–2008), where he played vampire detective Mick St. John, and Three Rivers (2009–2010).

O’Loughlin’s early career in Australian film and television, combined with his Hollywood breakthrough, has established him as a versatile talent with a dedicated global fanbase.

Profile

• Full Name: Alexander O’Lachlan
• Stage Name: Alex O’Loughlin
• Born: 24, August 1976
• Age: 48 years old
• Birthplace: Canberra, Australian Capital Territory, Australia
• Nationality: Australian
• Occupation: Actor, Writer, Director, and Producer
• Height: 1.85m
• Parents: Mr. O’Lachlan and Mrs. O’Lachlan
• Siblings: Jacqueline O’Loug Hlin
• Spouse: Malia Jones (m. 2014)
• Girlfriend: Holly Valance (ex)
• Children: Saxon O’Loughlin and Lion O’Loughlin
• Relationship: Married
• Net Worth: $12 million to $15 million

Early Life and Education

Alexander O’Lachlan was born on August 24, 1976, in Canberra, His parents, Mr. and Mrs. O’Lachlan, who reside in the Australian Capital Territory, are not publicly disclosed.

He grew up alongside his younger sister, Jacqueline O’Loughlin, primarily in Sydney after his parents’ separation when he was two years old. Diagnosed with asthma and ADHD as a child, he faced health challenges but found solace in creative pursuits.

O’Loughlin graduated from the National Institute of Dramatic Art (NIDA) in Sydney in 2002 with a Bachelor of Dramatic Art, honing his acting skills and fueling his passion for performance. His ethnicity is Caucasian (of Irish and Scottish descent), and his religion is not publicly disclosed.

Career

Alexander O’Lachlan began his career in Australian television and film, landing roles in short films like Man-Thing (2005) and the feature Oyster Farmer (2004) as Jack Flange, which showcased his raw talent.

His early television work included appearances in BlackJack: Sweet Science (2004) and Love Bytes (2004), earning him recognition in Australia. In 2005, he moved to Los Angeles, securing his first significant U.S. role in The Shield (2006) as Detective Kevin Hiatt.

His breakthrough came with the lead role of Mick St. John in CBS’s Moonlight (2007–2008), a vampire drama that, despite its cancellation after one season, gained a cult following and highlighted his ability to portray complex characters.

O’Loughlin’s career soared with his starring role as Steve McGarrett in CBS’s Hawaii Five-0 (2010–2020), a reboot of the classic series.

He appeared in all 240 episodes, also serving as a producer and directing several episodes, which solidified his status as a leading man. The show’s success, averaging 10–12 million viewers per season, made him a household name.

Before Hawaii Five-0, he led the short-lived medical drama Three Rivers (2009–2010) as Dr. Andy Yablonski. His film roles include The Back-up Plan (2010), starring Jennifer Lopez, and Whiteout (2009), showcasing his versatility in romantic and action genres.

O’Loughlin’s influence in the industry remains strong, with his decade-long run on Hawaii Five-0 earning him a loyal fanbase and critical praise for his intense, charismatic performances.

He has taken on smaller projects since then, including voice work and short films, while focusing on his family life in Hawaii. His directorial efforts, such as episodes of Hawaii Five-0, reflect his growing interest in behind-the-scenes work.

O’Loughlin’s dedication to physically demanding roles, often performing his stunts, and his advocacy for mental health awareness, stemming from his ADHD experience, continue to shape his legacy as a multifaceted entertainer.

Social Media

Alex O’Loughlin is not active on social media networks.

Personal Life

Alexander O’Lachlan married professional surfer and model alia Jones in 2014, and they have a son, Lion O’Loughlin, born in 2012. He is also a father to Saxon O’Loughlin, born in 1997 from a previous relationship, and a stepfather to Jones’s son, Spike, from her prior marriage.

The couple resides in Oahu, Hawaii, where O’Loughlin enjoys a low-key lifestyle, surfing and spending time with his family. Previously, he dated Australian actress Holly Valance from 2005 to 2009. His hobbies include motorcycle riding and playing the guitar, and he keeps his personal life private, avoiding social media.

Filmography

• Oyster Farmer (2004)
• Man-Thing (2005)
• Feed (2005)
• The Shield (2006)
• Moonlight (2007–2008)
• Whiteout (2009)
• Three Rivers (2009–2010)
• The Back-up Plan (2010)
• Hawaii Five-0 (2010–2020)

Net Worth

Alexander O’Lachlan’s estimated net worth is $12–15 million USD. His primary income sources include his decade-long role in Hawaii Five-0, as well as his work as a producer and director on the series. Additional earnings stem from film roles in The Back-up Plan and Whiteout, as well as earlier television projects like Moonlight and Three Rivers.