Cast & creator
You Seong-joo
Best known for Squid Game, Stranger, SKY Castle
Also known as: 유성주, Yoo Sung Joo, Yu Seong-Ju, Yoo Sung-ju, Yoo Seong-ju
Movies
15
film credits
Series
18
television credits
Career
33
2017–2026 · acting roles
Credit score
7.2
average across scored titles
Signature credits
Known for
Across film & television
Filmography (33)
Showing 33 of 33 credits
Series
★ 7.9
Squid Game
Player 111
2021
Series
★ 8.2
Stranger
Kim Hu-jeong's father
2017
Series
★ 8.0
SKY Castle
Park Soo-chang
2018
Series
★ 8.3
When the Phone Rings
Baek Ui-yong
2024
Series
★ 8.1
Juvenile Justice
Seok-yeol
2022
Series
★ 8.1
Duty After School
Cha Moon-hyeok
2023
Series
★ 7.7
Link: Eat, Love, Kill
Seo Young-hwan
2022
Series
★ 7.6
The Silent Sea
Mr. Hwang
2021
Series
★ 7.6
Class of Lies
Lee Do-Jin
2019
Series
★ 8.0
Mystic Pop-up Bar
Chairman Choi | [Magistrate / Past]
2020
Series
★ 5.6
Poong The Joseon Psychiatrist
Cho Tae-hak
2022
Movie
★ 7.6
12.12: The Day
Min Seong-bae
2023
Series
★ 8.1
Chief of Staff
Lee Chang-Jin
2019
Series
★ 8.1
The Midnight Studio
Lee Hyun-oh
2024
Movie
★ 8.0
The Assassin(s)
2026
Series
★ 8.1
The Great Show
Jung Han-Soo
2019
Series
★ 7.4
Confession
Law firm head
2019
Movie
★ 6.9
Yadang: The Snitch
Yeom Tae-soo
2025
Series
★ 8.0
Decoy
Park Seong-do
2023
Series
★ 7.6
Search
Lee Hyuk
2020
Series
★ 6.9
Times
Nam Sung-Beom
2021
Movie
★ 8.3
Pawn
Man-sik
2020
Movie
★ 6.4
Noryang: Deadly Sea
Shen Li
2023
Movie
★ 5.9
Hopeless
Jeong-deok
2023
Movie
★ 5.8
Revolver
Chief Kwon
2024
Movie
★ 6.9
Firefighters
Team Manager
2024
Movie
★ 7.4
Voice of Silence
Il-kyu
2020
Movie
★ 6.4
Land of Happiness
Kim Young-il
2024
Movie
★ 5.0
Only God Knows Everything
2025
Movie
Seeking the King
Lee Seo-yeol
Movie
★ 5.0
My Big Mama's Crazy Ride
Yoo Han-il
2021
Movie
★ 5.0
Mother's Kingdom
2024
Movie