Yoo In-soo
Yoo In-soo (유인수) is a South Korean actor who shot to global fame as the villain Yoon Gwi-nam in All of Us Are Dead and showed a sweet side in Alchemy of Souls. He is with Management District.

Beyond the screen.
Yoo In-soo is a South Korean actor who shot to global fame as one of the most frightening young villains in Korean drama. His role in All of Us Are Dead (2022) made his name known around the world. He then showed a sweet, funny side in Alchemy of Souls (2022), proving his range at a young age.
He is 184 cm tall and works with Management District.
Early life
Yoo In-soo was born on March 25, 1998, in Cheonan, South Chungcheong Province, South Korea. Before acting, he was a track and field athlete at school, and his strong build still shapes his screen presence.
Career and breakthrough
He made his acting debut in 2017 and played Kang Gu in Strong Girl Bong-soon the same year. His breakthrough came in 2022 with All of Us Are Dead, the zombie school drama that became a worldwide Netflix hit and changed his career in a single season.
Popular roles
In All of Us Are Dead (2022), he plays Yoon Gwi-nam, a cruel student who becomes a half-zombie monster and hunts his classmates. Viewers hated the character and praised the actor, the best sign of a great villain. In Alchemy of Souls (2022), he plays Park Dang-gu, the cheerful heir of a great family, and in The Uncanny Counter (2020) he played Na Jeok-bong.
Recent work and why fans love him
Fans love him because he is brave in his choices: monster, sweet heir, student, or soldier, he commits fully to each part.
A career, chapter by chapter.
Selected drama roles
- All of Us Are Dead — Yoon Gwi-nam
- The Uncanny Counter — Na Jeok-bong
- Alchemy of Souls — Park Dang-gu
- Strong Girl Bong-soon — Kang Gu
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Selected credits in the Oxfea collection.
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