Known For
Acting
Birthday
November 12, 1973 (age 53)
Place of Birth
South Korea
Also Known As
- 유성주
- Yoo Sung Joo
- Yu Seong-Ju
- Yoo Sung-ju
- Yoo Seong-ju
You Seong-joo
Known For - Movies
Known For - TV Shows
Squid Game
as Player 111
Stranger
as Kim Hu-jeong's father
Duty After School
as Cha Moon Hyeok
When the Phone Rings
as Baek Ui-yong
Mystic Pop-up Bar
as Chairman Choi | [Magistrate / Past]
Juvenile Justice
as Seok-yeol
Class of Lies
as Lee Do-Jin
SKY Castle
as Park Soo-chang
The Silent Sea
as Mr. Hwang
Chief of Staff
as Lee Chang-Jin