Luke Hemsworth (born 5 November 1980) is an Australian actor. He is known for his roles as Nathan Tyson in the TV series Neighbours and as Ashley Stubbs in the HBO sci-fi series Westworld. His latest role is as Jason Wade in series 2 of the comedy crime series Deadloch (March 2026). He is the older brother of actors Chris Hemsworth and Liam Hemsworth.
Luke Hemsworth was born on 5 November 1980 in Melbourne, the eldest son of Leonie (' van Os), an author, and Craig Hemsworth, a social services counsellor. His younger brothers are actors Chris and Liam. His maternal grandfather is a Dutch immigrant and his other ancestries are Irish, German, Scottish, and English.
Hemsworth trained in acting at the National Institute of Dramatic Art in Sydney.
In 2001, Hemsworth started his career on the Australian soap opera Neighbours as Nathan Tyson. Mainly a television actor, Hemsworth has appeared in TV series such as The Saddle Club, Blue Heelers, Last Man Standing, All Saints, Satisfaction, and Westworld. In 2012, he starred in the six-part miniseries ' as Gregory "Shadow" Campbell.
In 2018, Hemsworth was selected as the newest face of Tourism Australia, and appeared in a "Crocodile Dundee" ad.
He played the character Caleb Duran in the 2019 film Crypto, which follows the life of a family that gets embroiled in a crypto conspiracy involving Russian mafia.
On 5 November 2024, Hemsworth was announced for the second series of Amazon Prime Video comedy crime series Deadloch in the role of Jason Wade. The series was released on 20 March 2026.