Ko Seo-Hee: South Korean Actress Biography and Filmography

Ko Seo-Hee (Hangul: 고서희) is a South Korean actress recognized for her extensive work in both film and television. Born on February 28, 1977, in South Korea, she has established a prolific career appearing in a wide variety of supporting and guest roles across major South Korean motion pictures and television drama series.

Portrait of South Korean actress Ko Seo-Hee — Ko Seo-Hee

Career Background

Ko began her acting career in late 20th-century cinema, securing early credits such as Peppermint Candy (1999). Over the decades, she has become a recognizable face in Korean entertainment, frequently collaborating with notable directors and appearing in acclaimed films including Memories of Murder (2003), Secret Sunshine (2007), and The Unjust (2010).

Selected Filmography

Films

Peppermint Candy (1999) - Kyeong-a
Oasis (2002) - water bottle woman
Memories of Murder (2003) - Officer Kwon Kwi-Ok
When I Turned Nine (2004) - Ki-sun Shin
Secret Sunshine (2007) - bank clerk
Shadows in the Palace (2007) - queen
The Unjust (2010) - Cheol-Gi's younger sister
Ghost Sweepers (2012) - Female shaman Poonghyangryoo
Madonna (2015) - Hyun-Joo
Monstrum (2018) - shaman
Juror 8 (2019) - community service center employee
The 8th Night (2021) - shaman
Hommage (2022) - Se-Young
The Daechi Scandal (2024) - Hye-Rin's mother
Revelations (2025) - patient's daughter-in-law

Television Series

The Great Wives (MBC / 2015) - Kim Soon-Ok / Byun Soon-Jung
Partners for Justice (MBC / 2018) - Jang Yi-Nam
Dr. Romantic 2 (SBS / 2020) - Seung-Hee (ep.13)
Daily Dose of Sunshine (Netflix / 2023) - Song Ae-Sin
Chief Detective 1958 (MBC / 2024) - cosmetics saleswoman (ep.4)
The Auditors (tvN / 2024) - Eun-Jung (ep.5-6)
Seoul Busters (Disney+ / 2024) - Lee Mi-Jeong (ep.8)
Friendly Rivalry (U+mobiletv / 2025) - Nam Ji-Yeon
Dear X (TVING / 2025) - Maid Gong