Kim Seong-Jeong (South Korean Actor)

Kim Seong-Jeong (Korean: 김성정; born June 15, 1999) is a South Korean actor known for his roles in various television and streaming drama series.

Portrait of actor Kim Seong-Jeong — Kim Seong-Jeong

Biography

Born in South Korea on June 15, 1999, Kim Seong-Jeong pursues an acting career in television series. He maintains a public presence via his official Instagram account under the handle @s_junggggg.

Selected Filmography

Kim has been cast in several prominent television and streaming network drama series across South Korean broadcasting and digital platforms:

Weak Hero Class 2 (Netflix, 2025) – Choi Yoo-Joon
Head Over Heels (tvN, 2025) – Kim Jin-Woong
Doctor On The Edge (ENA-Genie TV, 2026) – Kim Ji-Ung
Fifties Professionals (MBC, 2026) – Heo Nam-Il
Our Universe (tvN, 2026) – Jo Gyu-Jung
The Miracles of the Namiya General Store (Disney+, 2027) – petty thief