Yoon Se-a is a South Korean actress admired for her elegant looks and strong, emotional acting. Global viewers know her best as No Seung-hye in Sky Castle (2018) and Lee Yeon-jae in Stranger.

Yoon Se-a is 165 cm tall, according to her published profile.

Early life

Yoon Se-a was born on January 2, 1978, in Daegu, South Korea. She started acting in films in 2000 and moved into television with Lovers in Prague in 2005.

Career and breakthrough

Her career grew with City Hall (2009) and A Gentleman's Dignity (2012), where she played the golfer Hong Se-ra. Then Sky Castle (2018) changed everything, becoming one of the highest-rated cable dramas in Korean history.

Popular roles

In Sky Castle (2018), Yoon Se-a plays No Seung-hye, a gentle wife and mother who slowly finds her own voice inside a rich and strict family. In Stranger (2017), she plays Lee Yeon-jae, a smart businesswoman inside a powerful family company, and she returned for the second season.

Recent work and why fans love her

Yoon Se-a also impressed viewers as the strict dormitory head Pi Seung-hee in Snowdrop (2021), and she plays Kang Ji-hye in Four Hands, Two Sonatas (2026). Fans love her because she brings real dignity to every role and always makes her characters feel human.