Modeling
Becomes known as a Memebox model
Became known as a model for the cosmetics brand Memebox.
Source 01 · Top Star News (Korean) · Roh Yoon-seo profile and filmography · opens in a new tabIn 2018, the year she turned 18, she first became known as a model for the cosmetics brand Memebox. In 2019, she modeled for Etude.
The breakthrough yearThe year she turned 22, she debuted as an actress in tvN’s Our Blues as the high school student Bang Yeong-ju. Aving News says the show made her name known to the public. The drama ended in June, and in October she received the Rising Star Award at the Asia Star Awards. That autumn she also appeared as Kim Yeon-du in the Netflix film 20th Century Girl.
In January 2023, she began tvN’s Crash Course in Romance. In March, she appeared on SBS’s Running Man in her first variety show appearance, and said on the show that the recording day was her Ewha Womans University commencement. In April, she won Best New Actress (Television) at the Baeksang Arts Awards for Crash Course in Romance, and in May she appeared as Jeong Seul-ah in Netflix’s Black Knight.
In August 2024, she made a surprise appearance in tvN’s Love Next Door as the star Roh Yoon-seo, and in Netflix’s The Frog she took her first adult role, as Jeon Eui-seon. In October, she received the Face of Asia Award at the Marie Claire Asia Star Awards, and in November she returned to Running Man and then took her first lead role on the big screen in Hear Me: Our Summer.
In January 2025, she was named a winner in the female actor Hot Trend category at the Korea First Brand Awards, and in May she won Best New Actress (Film) at the Baeksang Arts Awards for Hear Me: Our Summer, taking the new actress award in both TV and film. In June, she appeared as a guest in the Beomjeop mega crew performance on Mnet’s World of Street Woman Fighter, and in August as a guest on MBC’s I Live Alone.
In July 2026, she appeared as the court lady Saeng-gang in Netflix’s The East Palace, and she is also a regular on tvN’s Fresh off the Sea 3.
Roh Yoon-seo (born Jan 25, 2000) debuted on Apr 9, 2022, the year she turned 22, as the high school student Bang Yeong-ju in tvN’s Our Blues, and became known from her debut role. In 2025, the year she turned 25, she won Best New Actress (Film) at the Baeksang Arts Awards for Hear Me: Our Summer, taking the new actress award in both TV and film.
Ages are by calendar year (the year minus the birth year), birthdays aside.