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).
Heart Blackened
(Studio Head)
Secret Zoo
(Seong-min)
The Son
(Kang Tae-hwan)
My Royal Nemesis
(Choi Moon-do / King An-jeong)
I Order You
(Kevin)
Liar Game
(Kim Bong-geun)
God's Quiz
(Lee Jae-Joon)
Hwajung
(Prince Jeongwon)
Nothing Uncovered
(Seol Woo-jae)
My Son-In-Law's Woman
(Choi Jae-Young)
Teacher Oh Soon Nam
(Cha Yu-Min)
Money Flower
(Jang Boo-Chun)
Death's Game
(Lee Joo-hoon)
Familiar Wife
(Yun Jong-hu)
Encounter
(Jung U-seok)
Strangers Again
(Gu Eun-beom)
Chocolate
(Lee Jun)
Baeksang Arts Awards
(Self)
The Good Detective
(Oh Ji-hyeok)
Snowdrop
(Lee Kang-moo)
The Frog
(Ha Jae-sik)
The Frog
(Ha Jae -sik)
My Son Is Dead
(Kang Tae-hwan (강태환))
As You Stood By
(Noh Jin-pyo)
My Royal Nemesis
(Choi Moon-do / King An-jeong)
O’PENing
(Kang Tae-hwan)