
Acting
Yoon Seo-A (Korean: 윤서아; born September 30, 2000), born Im Sun-woo (임선우), is a South Korean actress. She made her television debut in 2018 with the drama Bad Papa and gained recognition for her role as Seo Ji-wan in the 2021 Netflix series Nevertheless.
Yoon has since appeared in a variety of television productions, including Love Revolution (2020), True Beauty (2020), Juvenile Justice (2022), Soundtrack #1 (2022), Bloody Heart (2022), and Today’s Webtoon (2022). In 2024, she portrayed Chae Young-ji in Goodbye Earth and Baek Yi in The Tale of Lady Ok.
In 2025, Yoon took on her first leading …

Recipe For Love
as Yang Eun-bin · 50 ep.

DREAM STAGE
as イム・ミンソ · 1 ep.

Bon Appétit, Your Majesty
as Seo Gil-geum · 12 ep.

Goodbye Earth
as Chae Young-ji · 12 ep.

Bloody Heart
as Ddong-geum · 16 ep.

Soundtrack #1
as Kim Seo-yeon · 1 ep.

Today's Webtoon
as On Noo Ri · 16 ep.

Nevertheless,
as Seo Ji-wan · 10 ep.

True Beauty
as Young Im Hee-kyung · 16 ep.

Love Revolution
as Bae Ji-yeon · 30 ep.