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Jang Sung-yoon

장성윤
Actress

Jang Sung-yoon (장성윤) is a South Korean actress best known as Kim Seong-yun in The Trauma Code: Heroes on Call (2025).

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actress Jang Sung-yoon, star of The Trauma Code: Heroes on Call
A face. A story. A little more. ♡
THE PEOPLE BEHIND YOUR FAVOURITE STORIES ✦ AN OXFEA PROFILE
01 / A closer look

Beyond the screen.

Jang Sung-yoon (장성윤) is a South Korean actress born on 17 February 1998. She works in Korean television and is known for her roles in drama and comedy series.

Her best-known work in the Oxfea catalogue is Kim Seong-yun in The Trauma Code: Heroes on Call (2025), a drama and comedy series about a trauma care team.

Jang Sung-yoon continues to take roles in Korean dramas, and fans can find her work and drama guides on Oxfea. In the Oxfea catalogue, The Trauma Code: Heroes on Call is listed as a 2025 drama and comedy series.

02 / The journey

A career, chapter by chapter.

Selected drama roles

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03 / Their screen stories

Stories to find them in.

Selected credits in the Oxfea collection.

Keep a little curiosity

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