Seo Yoon-Hyuk (Actor, Born 2011)

Seo Yoon-Hyuk (Hangul: 서윤혁) is a South Korean child actor born on January 10, 2011. He has appeared in numerous television drama series, frequently portraying the childhood counterpart of main characters or taking on supporting roles.

Seo Yoon-Hyuk

Personal Life

Seo Yoon-Hyuk was born in South Korea on January 10, 2011. He is the younger brother of child actor Seo Eun Yool. He maintains a public presence via his shared or managed social media accounts, including Instagram under the handle yoolandhyuk.

Television Career

Seo began appearing in television series during his early childhood, gradually building a substantial television filmography across major South Korean networks and streaming platforms.

Selected Television Series Appearances

Cabbage Your Life (KBS2, 2026) - Seong Ji-Sang
Spirit Fingers (TVING, 2025) - Min-Ho
Weak Hero Class 2 (Netflix, 2025) - Na Baek-Jin (child)
DNA Lover (TV Chosun, 2024) - Father Andrea (child)
Payback: Money and Power (SBS, 2023) - Jang Tae-Chun (teen)
Big Bet (Disney+, 2022) - Park Jong-Hyun (young)
Eve (tvN, 2022) - Kang Yoon-Kyum (child)
Tomorrow (MBC, 2022) - Lim Ryung-Gu (child)
High Class (tvN, 2021) - Kwak Si-Woo
Mouse (tvN, 2021) - Woo Hyung-Chul (child)
Delayed Justice (SBS, 2020-2021) - Park Tae-Sung (child)
Do Do Sol Sol La La Sol (KBS2, 2020) - Lee Seung-Ki (child)
Memorials (KBS2, 2020) - Seo Kong-Myung (child)
Still 17 (SBS, 2018) - Yoo Chan (young)
Devilish Charm (MBN-Dramax, 2018) - Sung Ki-Joon (young)