Yoo In-soo (Yoo In-soo), born on March 25, 1998, is a South Korean actor and model. He made his television debut in 2017 and quickly went on to appear in several popular K-dramas, including Strong Woman Do Bong-soon, School 2017, While You Were Sleeping, Avengers Social Club and Sweet Revenge. That same year, he made his film debut with a small role in the thriller Forgotten.
In 2018, he continued with Life, My ID Is Gangnam Beauty, Mama Fairy and the Woodcutter and Encounter, before playing Yoo Pil-sang in Moment at Eighteen (2019). He then appears in Chocolate (2019), Stranger 2 (2020) and From Afar, Spring Is Green (2021).
His career took on a new dimension in 2022 thanks to All of Us Are Dead, a Netflix series in which he plays Yoon Gwi-nam, one of the main antagonists. That same year, he took on a completely different role as Park Dang-gu in Alchemy of Souls, a character he reprises in Alchemy of Souls: Light and Shadow (2022-2023).
The year 2023 reaffirmed his popularity with several major roles: Bang Sam-sik in The Good Bad Mother and Na Jeok-bong, the newest recruit to the demon hunters, in The Uncanny Counter 2: Counter Punch. It also appears in Daily Dose of Sunshine and Death's Game. In 2024, he plays a leading role in The Midnight Studio (Nightly Photo Studio).
In 2025, Yoo In-soo makes appearances in Study Group and Good Boy. At the same time, he was pursuing a career in film: after Forgotten, he landed leading roles in Sparrow and You Did Great! in 2023, and then in Boy in 2025.
