Ko Seo-Jeong

Ko Seo-Jeong (Korean: 고서정; born September 1, 1983) is a South Korean actress known for her supporting and minor roles across various television dramas and feature films.

Early Life and Profile

Ko Seo-Jeong was born in South Korea on September 1, 1983. She stands at a height of 164 cm. Her professional career encompasses numerous appearances in South Korean television series, streaming dramas, and motion pictures, typically portraying supporting, guest, or bit characters.

Filmography

Throughout her career, Ko has appeared in various productions across major South Korean broadcasting networks and streaming platforms.

Films

Mission: Cross (2024) – CCTV center staff

Television and Streaming Series

Agent Kim Reactivated (SBS / 2026) – crosswalk volunteer (ep. 1, 12)
To The Moon (MBC / 2025) – Marron Confectionery employee (ep. 2)
When Life Gives You Tangerines (Netflix / 2025) – nurse (ep. 16)
Squid Game Season 2 (Netflix / 2024) – participant 415
Dare to Love Me (KBS2 / 2024) – village woman (ep. 14)
Frankly Speaking (JTBC / 2024) – news staff
Lovely Runner (tvN / 2024) – math teacher (ep. 2)
Hide (Coupang Play-JTBC / 2024) – foundation staff (ep. 3)
My Dearest Part 2 (MBC / 2023) – captive (ep. 12)
Cold Blooded Intern (TVING / 2023) – Ms. Kim (ep. 5)
Doctor Cha (JTBC / 2023) – nurse (ep. 1)
Unicorn (Coupang Play / 2022) – cafe staff (ep. 3)
Hellbound (Netflix / 2021) – video editor Mi-Suk
The Veil (MBC / 2021) – nurse (ep. 7)
Welcome 2 Life (MBC / 2019) – citizen
Money Flower (MBC / 2017–2018) – reporter