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She has two sisters. As a teen, a modeling scout discovered her. After she graduated from the Performing Arts high School, she moved to London, England to study theatre.
At the age of 19, she moved to the United States, and has resided here ever since. Helena told Maxim, Growing up in Sweden, I decided pretty early on that I wanted to go to acting school. I continued my studies in London to learn English. And I was all set to start working on a cruise ship as a dancer, but I faked an injury at the last minute, took my backpack and moved to L.A. She added that moving from Sweden to Los Angeles was a big change. I didnt know a soul when I got here, and I didnt drive. I ended up walking to McDonalds every day.
Helena Mattsson has a variety of credits to her name, including roles in Nikita, Detroit 187, Breakout Kings, The Mentalist, NCIS Los Angeles, Desperate Housewives, Rules of Engagement, Two and a Half Men, CSI: Miami, Cold Case, CSI: Crime Scene Investigation, CSI: NY and 666 Park Avenue, among others. She also had a role in Iron Man 2.
She said of starring on all three CSI shows, My favorite character was the one I did in CSI: Miami because I got to play the psychopath killer. The other two I played a victim, it was more fun to play a killer (tvdramas.about.com).
Helena Mattsson describes herself on Twitter as Actress, swede, baker, aunt, hangbag junkie and sweet tooth. She said she avoids the Hollywood party scene: Im a bit boring when it comes to that. I just love to bake chocolate cakes and anything unhealthy. It makes me very popular. Though I dont know if I could bring them to the set actors worry about the carbs.
Helena Mattsson keeps in shape by going to the gym a few times a week, with mainly cardio and a few weights.
Helena said to her fans, Its an honor to have people follow you and watch you. I do get a lot of fan mail and I read everything. Its very flattering and sort of surreal. Im very glad that people like what I do and they want to follow whats going on.
Helena Mattsson currently resides in New York City.
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