Actress who broke out with her performance in the horror film Voice (2005) before starring on shows like Punch, The Moon and Stars for You and Jealousy Incarnate. Her performance on the latter earned her a SBS Drama Award for Best Actress in a Romantic Comedy Drama.
She attended Sungkyunkwan University in Seoul, South Korea.
She starred in the music video for Fly to the Sky's "I Love You" in 2007.
She has a sibling named Seo Ji-eun.
She co-starred with Kim Rae-won on Punch.