Kim Yun Seo, born as Kim Ga Eun in Seoul, is a South Korean actress. In 2010, she graduated with a bachelor’s degree in architectural engineering from Dankook University. She made her debut in the 2010 movie "I Saw The Devil".
In 2014, after a dispatch article sparked dating rumors, the couple, Kim and model-turned-actor Do Sang Woo admitted they were quietly dating in celebration. In 2019, after five years of dating, an article about their amicable breakup due to their busy schedules was published.