Ok Ja-yeon

Ok Ja-yeon (; born December 19, 1988) is a South Korean actress.

Early life Ok was born and raised in Suncheon by school teacher parents.

Ok described herself as not studious in her younger years, but due to the influence of her friend in middle school, she started taking her studies seriously. She then excelled in academics all throughout middle school and high school. She was also a member of the theater club in middle school, but had no desire of becoming an actress during that time.

Career Ok decided to change careers and pursued acting at 25 years old (in Korean age).

In 2025, Ok acted in the Korean premiere of the British play The Effect, written by Lucy Prebble. Ok was triple cast as the character Connie Hall, starring alongside Park Jeong-bok and Kim Ju-yeon. The play is a story about "love and sorrow" centered on four characters: Connie Hall and Tristan Frey, who are participating in a clinical trial for an antidepressant, and the two doctors supervising the test, Dr. Lorna James and Dr. Toby Seeley. The production was directed by Min Sae-rom, with Park Ji-sun as the screenwriter and Bae Yu-ri as the motion director. The show ran from June 10 to August 31 at the Nol Seo-kyung Square Scone Theater 2.

In March 2026, it was announced that Ok will be starring in the upcoming South Korean television adaption of the American spy drama television series The Americans alongside Lee Byung-hun and Han Ji-min under the working title The Koreans , that is slated to be released on Disney+ in 2027. Also in 2026, Ok starred in the SBS romantic comedy workplace television series titled Sold Out on You. It was announced that Ok will make a special appearance in the upcoming psychological thriller television series titled The Perfect Lie starring Yoo Yeon-seok and Seo Hyun-jin, that will premiere on MBC TV in October 2026.

Filmography Film

Television series

Television shows Year Title Role 2022 Jump Like a Witch Cast member

Theater Year Title Role Notes 2012 Guest Acting debut 2014 Dry and Worn Out King Claudius Gertrude 2016 Game Emma Sara Blackbird Una Lead role 2020 Wandering Around Lee Ja-yeon 2022 Hiding White Flowers Maiko

Awards and nominations + Name of the award ceremony, year presented, category, nominee of the award, and the result of the nomination Award ceremony Year Category Nominee / Work Result Baeksang Arts Awards 2022 Best Supporting Actress – Television Mine Jeonju International Film Festival 2022 Best ActressThe Archeology of Love Singapore International Film Festival