Yoon Jeong-il Born February 27, 1991 · 35 years oldSouth Korea3 series · 2 films Open in my diary TV series with Yoon Jeong-ilFace Me2024 · Lee Jin-seokThe Boy Next Door2017 · Won HyungMomin's Room2016 · Hae-chan Films with Yoon Jeong-ilWall to Wall2025 · Lee Sang-ukThe Heartbeat Operator2017 · Seung Bin