Chae Seo-jin

Kim Ko-woon, known professionally as Chae Seo-jin (채서진), is a South Korean actress. She started her career as a young actress in Over the Rainbow (2006). She is known to be Kim Ok-vin's sister. In May 2016, Chae decided to use Chae Seo-jin as her stage name instead of her birth name, Kim Ko-woon.