Yoon Se-a

Yoon Se-a is a South Korean actress admired for elegant looks and strong, emotional acting. She has played rich wives, career women and brave mothers in many hit dramas. Global viewers know her best as No Seung-hye in Sky Castle (2018) and Lee Yeon-jae in the crime series Stranger.

Yoon Se-a is 165 cm (5 ft 5 in) tall.

Early life

Yoon Se-a was born on January 2, 1978, in Daegu, South Korea. She studied at Yong In University. She started acting in films in 2000 and moved into television with Lovers in Prague in 2005, building her career carefully through many supporting and leading roles.

Career and breakthrough

Her career grew with City Hall (2009) and A Gentleman's Dignity (2012), where she played the golfer Hong Se-ra and showed bright charm. She also became popular on the variety show We Got Married. Then Sky Castle (2018) changed everything. The drama became 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. Viewers praised her soft but strong acting. In Stranger (2017), she plays Lee Yeon-jae, a smart businesswoman inside a powerful family company, and she returned for the second season as the story grew darker.

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. Yoon Se-a can be funny, cold, kind or heartbroken, and she always makes her characters feel human.