Kang Yoo Seok

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Kang Yoo Seok - Biography, Profile, Facts, and Career

Kang Yoo Seok is a South Korean actor.

He gained fame by starring in various Korean drama series, including Mystic Pop-Up Bar (2020), Light On Me (2021), Best Mistake Season 3 (2021), and Black Knight (2023).


Kang Yoo Seok, who has always been interested in the acting industry since he was younger, decided to go all out by entering an art university.

After spending some time getting an education there, he successfully debuted as an actor in 2018 and got small roles for Quiz from God: Reboot and The Hymn of Death.

One year later, in 2019, slowly, Yooseok gained more recognition by getting more cameo roles in Love As You Taste and Melting Me Softly.

He continued his career by doing more casting. After that, in 2020, he successfully got into more acting projects, as proven by his appearances in the movie The Interviewees, the series Dr. Romantic 2, Once Again, Mystic Pop-Up Bar, and Start-Up.

In 2021, he came back to the drama series and acted in Light On Me, Best Mistake Season 3, and also Beyond Evil.

His career later was followed by his roles in the movie The Flatterer (2022), the series I Have Not Done My Best Yet (2022), Black Knight (2023), and Payback (2023).

Read also: Yoon Ye Joo – Biography, Profile, Age, Trivia, Family & Life Story


  • Real Name: Kang Yoo Seok (강유석)
  • Stage Name: Kang Yoo Seok (강유석)
  • Nickname: Yooseok
  • Birthday: June 10, 1994
  • Birthplace: Gangneung, Gangwon, South Korea
  • Zodiac Sign: Gemini
  • Nationality: Korean
  • Religion: –
  • Profession: Actor
  • Education: Korea National University of the Arts (Majoring in Acting)
  • Hobbies: –
  • Facebook: –
  • X: –
  • Threads: –
  • Instagram: @youseok_
  • TikTok: –
  • YouTube: –

Height, Weight, & Physical Appearances

  • Height: 178 cm (5’10”)
  • Weight: –
  • Blood Type: B
  • Hair Color: Black
  • Eye Color: Black
  • Body Measurements: –
  • Shoe Size: 7 (US)


  • Father: –
  • Mother: –
  • Sisters: 2
  • Brother: –

Girlfriend & Dating History

There is no exact information about Kang Yoo Seok’s girlfriend. Apparently, he doesn’t like to show too much of his personal life on the media.

Assuming from his social media, he enjoys his time striving to build his career as an actor.

Net Worth

Unfortunately, there is no available resource about the estimated net worth of Kang Yoo Seok.

However, judging from his debut date and acting project, it can be seen that most of his income comes from his acting project in television and web series.


  • Yooseok’s MBTI type is ESFP-T.
  • He has one younger sister and one older sister.
  • Yooseok loves both dogs and cats, but if he needs to choose one, he will choose dogs.
  • He has two dogs and two cats.
  • Spring is his favorite season.
  • Milk tea is his favorite cafe menu.
  • He doesn’t drink coffee.
  • His favorite fruit is strawberry.
  • His favorite movie genre is action thriller.
  • The Greatest Showman is his favorite movie.
  • He loves all colors.
  • His ideal type is someone who listens and responds well to his story because he’s a talkative person.

Read also: Jung Yong Hwa – Biography, Profile, Age, Trivia, Family & Life Story


  • The Flatterer (2022), as Kang Dae Chi
  • The Night Shift (2021), as international student
  • The Interviewees (2020)

Drama Series

  • Resident Playbook (tvN | 2024), as ob/gyn resident
  • Payback: Money and Power (SBS | 2023), as Jang Tae Chun
  • Black Knight (Netflix | 2023), as Sa Wol
  • I Have Not Done My Best Yet (TVING | 2022), as Kang Doo Seok
  • Beyond Evil (JTBC | 2021), as reporter Lim Gyu Seok (ep.5,13)
  • Best Mistake Season 3 (Viki | 2021), as Noh Shin Woo
  • Light on Me (Viki | 2021), as Noh Shin Woo
  • Start-Up (tvN / 2020), as Shin Hyeon
  • Growing Season (Viki | 2020), as Wi Seon Woo
  • Mystic Pop-up Bar (JTBC | 2020), as Jin Tae (ep.1)
  • Once Again (KBS2 | 2020), as Han Ki Young
  • Dr. Romantic 2 (SBS | 2020), as Joon Young (ep.8)
  • Melting Me Softly (tvN | 2019), as Park Young Joon (2019)
  • Love As You Taste (Viki | 2019), as cameo
  • Quiz from God: Reboot (OCN / 2018-2019), as Man Jong (ep.6)

Drama Special

  • Growing Season Special 2 (Viki | 2021), as Wi Seun Woo
  • The Hymn of Death (SBS | 2018), as Yun Ki Sung’s schoolmate


  • 2023 SBS Drama Awards – Best Rookie Actor – Payback: Money and Power


“I watched the drama ‘Autumn in My Heart’ starring Song Seung Heon and Song Hye Kyo on TV when I was young. Maybe that’s why Kim Woo Bin and everyone felt like “celebrities” to me, but among them, Song Seung Heon was the person who thought, “Wow, he’s a celebrity.”


Who is Kang Yoo Seok?

He is a South Korean actor.

Who is Kang Yoo Seok’s real name?

His real name is Kang Yoo Seok (강유석).

What makes Kang Yoo Seok famous?

He gained fame by starring in various Korean drama series, including Mystic Pop-Up Bar (2020), Light On Me (2021), Best Mistake Season 3 (2021), and Black Knight (2023).

Where is Kang Yoo Seok from?

He was born in Gangneung, Gangwon, South Korea.

How old is Kang Yoo Seok?

He was born in 1994, and he is 31 years old as of 2025.

When does Kang Yoo Seok celebrate his birthday?

He celebrates on the 10th of every June.

How tall is Kang Yoo Seok?

His height is 5’10” or 178 cm.

Who are Kang Yoo Seok’s parents?

He did not reveal the names of his father and mother.

Is Kang Yoo Seok married?

He is not married. Furthermore, there is no information on whether he is in a relationship or not.

Who is Kang Yoo Seok’s ex-girlfriend?

His ex-girlfriend is not known.

How rich is Kang Yoo Seok?

His net worth is around $100 thousand to $1 million.

What is Kang Yoo Seok’s nationality?

His nationality is South Korean.

Kang Yoo Seok might just start his acting debut in 2018, but he already gives his magnificent acting skill through his acting projects!