Luke Hemsworth (born 5 November 1980) is an Australian actor who is known for his roles as Nathan Tyson in the TV series Neighbours and as Ashley Stubbs in the HBO sci-fi series Westworld. Hemsworth was born on 5 November 1980 in Melbourne, Australia, the son of Leonie (née van Os), an English teacher, and Craig Hemsworth, a social-services counselor. He is the older brother of actors Chris and Liam Hemsworth. His maternal grandfather is a Dutch immigrant, and his other ancestry is English, Irish, Scottish, and German. Hemsworth trained in acting at the National Institute of Dramatic Art. He 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, and Satisfaction. In 2012, he starred in the 6-part miniseries Bikie Wars: Brothers in Arms as Gregory "Shadow" Campbell. He is set to star in the upcoming Australian war film The 34th Battalion as Robinson. He currently stars in HBO's Westworld as security officer Ashley Stubbs.

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