Yoo Seong-ju was born on 12 November 1973 in South Korea. He is an actor, known for The Silent Sea (2021), Squid Game (2021) and Seeking the King (2024).

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"The Gentlemen" and "Slow Horses" return this fall, while the "Reacher" spin-off series "Neagley" makes its debut. See our guide of the biggest Fall TV and streaming releases.

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Get a closer look at these actors from their many TV and streaming series roles.

Streaming Stars, Then and Now

Jeong Jun-ho and Yoo Seong-ju in SKY Castle (2018)

Kim Jung-nan and Yoo Seong-ju in SKY Castle (2018)

Kim Jung-nan, Yoo Seong-ju, and Song Geon-hee in SKY Castle (2018)

Bae Doona, Gong Yoo, Lee Moo-saeng, Lee Joon, and Kim Sun-young in The Silent Sea (2021)

Lee Jung-jae, Anupam Tripathi, Oh Yeong-su, Heo Sung-tae, Park Hae-soo, and Hoyeon in Squid Game (2021)

Moon Jeong-Hee, Krystal Jung, Yoon Park, Lee Hyun-wook, and Jang Dong-yoon in Search (2020)

Yoo Seong-ju

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