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Biography
Jang Hyun-deok (born December 13, 1981), known professionally as Jang Seung-jo, is a South Korean actor, known for his roles in Money Flower (2017–2018), Snowdrop (2021–2022), Familiar Wife (2018), and Chocolate (2019–2020). In recent years, Jang also starred in several other dramas like The Good Detective (2020–2022), As You Stood By (2025), and My Royal Nemesis (2026).
Filmography14 titles

My Royal Nemesis
2026as Choi Mun-do / King An-jeong
2026as Choi Mun-do / King An-jeong

Snowdrop
2021as Lee Kang-moo
2021as Lee Kang-moo

Death's Game
2023as Lee Joo-hoon
2023as Lee Joo-hoon

As You Stood By
2025as Noh Jin-pyo
2025as Noh Jin-pyo

Familiar Wife
2018as Yun Jong-hu
2018as Yun Jong-hu

Chocolate
2019as Lee Jun
2019as Lee Jun

Encounter
2018as Jung U-seok
2018as Jung U-seok

The Frog
2024as Ha Jae -sik
2024as Ha Jae -sik

The Good Detective
2020as Oh Ji-hyeok
2020as Oh Ji-hyeok

Nothing Uncovered
as Seol Woo-jae
as Seol Woo-jae

Heart Blackened
2017as Studio Head
2017as Studio Head

Money Flower
2017as Jang Boo-Chun
2017as Jang Boo-Chun

Secret Zoo
2020as Seong-min
2020as Seong-min

God's Quiz
as Lee Jae-Joon
as Lee Jae-Joon