Several k-drama stars celebrate their birthdays in October. And their accomplishments are worth celebrating.

Oct. 1: Kam Woo Sung plays the man Sooyoung's heart is drawn to in "Spring Days." The 44-year-old actor played the evil king in the film "The King and The Clown."

Oct. 3: Yoon Eun Hye turns 30 today and she recently finished filming "Chronicles of a Blood Merchant," an adaptation of the best-selling Chinese novel about a man who sells his blood to support his family. The actress has not been seen on the small screen since she co-starred with Jung Yong Hwa and Lee Sang Yoon in "Future's Choice."

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