Ok Ja-yeon: Biography and Career of the South Korean Actress

Ok Ja-yeon (Hangul: 옥자연) is a South Korean actress born on December 19, 1988, in South Korea. Known for her versatile performances across film and television, she has built an extensive portfolio of supporting and leading roles in major South Korean productions.

Portrait photograph of South Korean actress Ok Ja-yeon — Ok Ja-yeon

Career Overview

Ok Ja-yeon debuted in the entertainment industry and steadily established herself through diverse character portrayals in both cinema and television series. Her performances span various genres including thrillers, historical dramas, and action films.

Filmography

Throughout her career, Ok Ja-yeon has appeared in numerous notable films, contributing to both commercial blockbusters and independent projects:

The Old Woman With The Knife (2025) as Cho-Yeob
Mission: Cross (2024) as Baek Seon-U
Alienoid: Part 2 (2024) as doctor
Alienoid (2022) as doctor
Voice (2021) as detective 1
Ashfall (2019) as Sergeant Min
The Snob (2019) as Tak So-Young
The Beast (2019) as Jong-Chan's wife
Miss & Mrs. Cops (2019) as New Pacific suicide female victim
The Great Battle (2018) as wife of soldier 3
Illang: The Wolf Brigade (2018) as In-Rang 5
Burning (2018) as Ja-Yeon
Because I Love You (2017) as busking woman
The Age of Shadows (2016) as Lee Jung-Chool's wife

Television and Streaming Series

In television and streaming media, Ok has gained recognition for her work in high-profile television dramas and OTT series:

Sold Out On You (SBS / 2026) as Michelle Desruets
Oh My Ghost Clients (MBC / 2025) as Lee Seo-Jeong (ep.3-4)
Nine Puzzles (Disney+ / 2025) as Seo Yang-Hee
Parole Examiner Lee (tvN / 2024) as protester (ep.12)
Gangnam B-Side (Disney+ / 2024) as Choi Su-In
Gyeongseong Creature 2 (Netflix / 2024) as Na Yeong-Chun
LTNS (TVING / 2024) as Jeong Min-Soo
Gyeongseong Creature (Netflix / 2023-2024) as Na Yeong-Chun
Queenmaker (Netflix / 2023) as Guk Ji-Yeon
Under The Queen's Umbrella (tvN / 2022) as Consort Hwang
Big Mouth (MBC / 2022) as Hyun Joo-Hee
The Veil (MBC / 2021) as Linwei
Mine (tvN / 2021) as Kang Ja-Kyeong / Lee Hye-Jin
The Uncanny Counter (OCN / 2020-2021) as Baek Hyang-Hee
Find Me in Your Memory (MBC / 2020) as Ms. Kang (ep.30)
Different Dreams (MBC / 2019) as Oh Gwang-Sim
Wok of Love (SBS / 2018) as Lee Ji-Kyung
Bad Guys: Vile City (OCN / 2017-2018) as Yang Pil-Soon
Two Cops (MBC / 2017-2018) as Jin Soo-A
Drama Stage: All About My Rival in Love (tvN / 2018) as Joon-Hee (TV Movie)