She entered KAIST in 2011, the year she turned 18, to study chemical and biomolecular engineering.
The breakthrough yearIn 2013, she debuted as Nang-ga in KBS2’s The Blade and Petal.
The breakthrough yearThat year she also appeared as the female lead in the drama-version music videos for EXO’s “Wolf” and “Growl.” In November, she played Yoon Jin-yi in tvN’s Let’s Eat and became known. It was her third work since her debut and her first lead role.
In 2014, she appeared in JTBC’s 12 Years Promise and KBS2’s Big Man in quick succession.
In 2015, she appeared in JTBC’s This Is My Love. In 2016, she played Bong Seon-hwa in tvN’s Memory.
In 2017, she won the new actress award at The Seoul Awards for playing Kim Hwa-gun in MBC’s The Emperor: Owner of the Mask. In 2018, she played a witch in MBN’s Witch’s Love.
In 2019, she appeared on tvN’s New Life Bar and said why she went to KAIST. In 2020, she made a cameo in MBC’s The Spies Who Loved Me.
In 2022, she played Im Bo-mi in tvN’s Ghost Doctor. In 2023, she played two roles in KBS2’s Heartbeat.
In 2025, she appeared on Netflix’s The Devil’s Plan: Death Room and also on Channel A’s Brain Academy and tvN’s Naked World History.
Yoon So-hee (born May 7, 1993) debuted in 2013, the year she turned 20, in KBS2’s The Blade and Petal and appeared that year in EXO’s drama-version music videos. She became known with her first lead role in tvN’s Let’s Eat, which first aired on Nov 28, 2013, the year she turned 20.
Ages are by calendar year (the year minus the birth year), birthdays aside.
Graduated early from Sejong Science High School after her second year and entered KAIST. Her major is chemical and biomolecular engineering.
Source 16 · Korean Wikipedia · Yoon So-hee · opens in a new tabSource 26 · My Daily (Korean) · Her hobby is science · opens in a new tab The entry year and the early graduation are from Wikipedia and could not be confirmed in news reports. The major was confirmed by a 2025 My Daily article.Won the role of Nang-ga through an audition and made her debut. It was her first TV drama.
Source 02 · My Daily (Korean) · Joins The Blade and Petal · opens in a new tabSource 01 · Kukmin Ilbo (Korean) · Appearance on New Life Bar · opens in a new tab July 3 is the drama’s scheduled first broadcast date. The episode of her first appearance could not be confirmed.Appeared as the female lead in the drama-version music videos for two EXO songs. The drama version of “Wolf” was released on July 15.
Source 03 · Maeil Business Newspaper (Korean) · EXO drama-version music video · opens in a new tabSource 06 · Money Today (Korean) · Let’s Eat, Yoon So-hee · opens in a new tabSource 04 · TenAsia (Korean) · My Name, Yoon So-hee · opens in a new tabSource 05 · OSEN (Korean) · From EXO’s muse to actress · opens in a new tab The release date of the “Growl” drama version is not included in this record. That she appeared in both music videos comes from 2014 articles, and she says she shot the videos early that year.Played Yoon Jin-yi, the college student next door. Dailian writes that Yoon So-hee, who until then had not been widely known to the public, made a strong impression on many people through this work.
Played Dal-rae as a high school senior.
Source 09 · Star News (Korean) · Joins 12 Years Promise · opens in a new tabFirst appeared in episode 3 as So Hye-ra, a carefree college student.
Source 10 · MBN (Korean) · Yoon So-hee’s first appearance in Big Man · opens in a new tabPlayed Ji Eun-dong.
Source 11 · OSEN (Korean) · On the set of This Is My Love · opens in a new tabSource 27 · TV Report (Korean) · This Is My Love · opens in a new tab The first broadcast date was confirmed by a pre-broadcast article.Threw the first pitch, introduced as a KAIST student and actress.
Source 12 · Sports Seoul (Korean) · First pitch at Mokdong stadium · opens in a new tabPlayed Bong Seon-hwa, a law firm clerk.
Source 13 · News1 (Korean) · Memory, Yoon So-hee · opens in a new tabPlayed Kim Hwa-gun in the drama that began on the day episodes 1 and 2 aired.
Source 14 · Yonhap News Agency (Korean) · Production support for The Emperor · opens in a new tabSource 15 · Edaily (Korean) · The Emperor ratings · opens in a new tab The role of Kim Hwa-gun was confirmed by a June 2017 article. The episode of her first appearance could not be confirmed.Won the new actress award in the drama category with Kim Min-seok, who won the new actor award, for The Emperor: Owner of the Mask.
Source 17 · TenAsia (Korean) · The Seoul Awards · opens in a new tabPlayed a witch who delivers for a gukbap restaurant.
Source 18 · Maeil Business Newspaper (Korean) · Witch’s Love, Yoon So-hee · opens in a new tabAppeared with the actor Song Jae-rim. She said she went to KAIST after being inspired by the educational background of the actress Kim Tae-hee.
Source 01 · Kukmin Ilbo (Korean) · Appearance on New Life Bar · opens in a new tabMade a cameo as Dr. Sophie Ahn; the drama ended on Dec. 17.
Source 19 · Xports News (Korean) · Cameo in The Spies Who Loved Me · opens in a new tabPlayed Im Bo-mi.
Source 20 · MBN (Korean) · Ghost Doctor character chart · opens in a new tab The first broadcast date was confirmed by a pre-broadcast article.Played Na Hae-won in a dual role and was described as the lead.
Source 21 · OSEN (Korean) · Heartbeat, Yoon So-hee · opens in a new tabSource 22 · Hankook Ilbo (Korean) · Heartbeat finale remarks · opens in a new tab The drama ended on Aug. 15, 2023. The first broadcast date could not be confirmed.Appeared on the Netflix variety show released that day. Sports Donga introduced her as a graduate of a science high school and KAIST.
Source 23 · Sports Donga (Korean) · The Devil’s Plan: Death Room · opens in a new tabAppeared in a six-person cast with Jun Hyun-moo, Ha Seok-jin, Lee Sang-yeob, Hwang Je-seong and Gwedo.
Source 24 · Star News (Korean) · Brain Academy · opens in a new tab The date is that of episode 3. The first broadcast date could not be confirmed.Appeared in an episode on why mammals were able to become the rulers of the Earth.
Source 25 · News En (Korean) · Naked World History · opens in a new tabEND OF SELECTED RECORDSSelected records, 2011–2025 · not a complete list of work. “Key moment” is an editorial label, not a measure of success.
What did they do, and at what age?
AgeTrail lines up the key moments of a life by age.
Debut and breakthrough are marked separately, and every record has a source.
Film & TV · South Korea
May 7, 1993 —
Ages are counted from the birth year 1993: the year of the event minus 1993, birthdays aside. “Key moment” labels and the connecting story are AgeTrail's editorial reading.
Fact-checked: 2026.09.30 · An independent archive, not affiliated with the person or their agency.