Seo Sung-Jong: South Korean Actor Profile and Career

Seo Sung-Jong (Hangul: 서성종) is a South Korean actor known for his supporting roles in various television drama series and films.

Portrait photograph of South Korean actor Seo Sung-Jong — Seo Sung-Jong

Career and Filmography

Seo Sung-Jong has established an active career appearing in television productions and feature films. His television credits include supporting and guest appearances across major South Korean networks and streaming platforms.

Television Series

The Apartment Job (JTBC / 2026) - Oh Dong-Ho
Walking On Thin Ice (KBS2 / 2025) - Club Medusa staff
High Cookie (U+mobiletv / 2023) - Park Jae-Hyun
Strong Girl Nam-Soon (JTBC / 2023) - polearm seller's subordinate (ep. 1)
Trolley (SBS / 2022-2023) - Aide Shin Hyeong-Tae
My Name (Netflix / 2021) - Na Dae-Soo
Mine (tvN / 2021) - Detective Hwang Hyeong-Su
Men are Men (KBS2 / 2020) - Kim Hyun-Soo (ep. 12)
Hospital Playlist (tvN / 2020) - heart patient (ep. 2)

Movies

Devils | Akmadeul (2023) - paramedic 1