Chae Seo-jin

Kim Ko-woon (born 30 April 1994), known professionally as Chae Seo-jin, 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.

Career
Chae started her acting career in 2006 where she played young Jung Hee-soo in Over the Rainbow.

In 2011, Chae made her musical debut in Catch a Timid Man.

In 2014, Chae made her big screen debut in the movie My Brilliant Life.

In 2015, Chae was cast as the female lead role in the movie Overman, which was played at the 20th Busan International Film Festival.

Chae was cast in several films in 2016; namely Write or Dance, Curtain Call, and Will You Be There?. The same year, Chae starred in the web drama Be Positive alongside EXO's Do Kyung-soo.

In 2017, Chae was cast in the teen drama Girls' Generation 1979.

In 2018, Chae starred in the romantic comedy drama Coffee, Do Me a Favor.

In 2019, Chae made a short appearance in the romantic fantasy drama Melting Me Softly along with Ji Chang Wook. The same year, Chae starred in the romantic drama Yeonnam Family as the main lead alongside Na In Woo.

Personal life
On March 14, 2024, Ghost Studio announced that Chae would marry her non-celebrity boyfriend in April. The couple married in a private ceremony on April 7, 2024.