Actress Han Hyo Joo will make her US debut through her appearance on "Treadstone", a side of the cult series "Bourne".
According to sources, Han Hyo Joo, who has been constantly preparing for her Hollywood debut by learning English and many other things, is currently filming the series of USA Network in Budapest, Hungary.
Meanwhile, Han Hyo Joo, who debuted through the beauty contest Miss Binggrae in 2003, has appeared on many works including TV series Dong Yi and W, and Superman, Cold Eyes, Beauty Inside, Golden Slumber và Illang.