We dont have a biography for You Seong-joo
TBASeeking the King as Lee Seo-yeol
2025Only God Knows Everything as Unknown
2025Yadang: The Snitch as Yeom Tae-soo
2024Firefighters as Team Manager
2024When the Phone Rings (3 Episodes) as Baek Ui-yong
2024Land of Happiness as Kim Young-il
2024Revolver as Chief Kwon
2024Mother's Kingdom as Unknown
2024The Midnight Studio (16 Episodes) as Lee Hyun-oh
2023Noryang: Deadly Sea as Shen Li
202312.12: The Day as Min Seong-bae
2023Hopeless as Jeong-deok
2023Duty After School (1 Episode) as Cha Moon Hyeok
2023Decoy (12 Episodes) as Park Seong-do
2022Poong The Joseon Psychiatrist (12 Episodes) as Cho Tae-hak
2022Link: Eat, Love, Kill (16 Episodes) as Seo Young-hwan
2022Juvenile Justice (1 Episode) as Seok-yeol
2021The Silent Sea (8 Episodes) as Mr. Hwang
2021Squid Game (3 Episodes) as Player 111
2021Times (12 Episodes) as Nam Sung-Beom
2021My Big Mama's Crazy Ride as Yoo Han-il
2020Search (10 Episodes) as Lee Hyuk
2020Voice of Silence as Il-kyu
2020Pawn as Man-sik
2020Mystic Pop-up Bar (1 Episode) as Chairman Choi | [Magistrate / Past]
2019The Great Show (16 Episodes) as Jung Han-Soo
2019Class of Lies (16 Episodes) as Lee Do-Jin
2019Chief of Staff (20 Episodes) as Lee Chang-Jin
2019Confession (16 Episodes) as Law firm head
2018SKY Castle (20 Episodes) as Park Soo-chang
2017Stranger (1 Episode) as Kim Hu-jeong's father