Yook Sung-jae is a South Korean singer, songwriter, actor, host, model and entertainer. He is a member and the third generation leader of the boy group BtoB and its sub-group, BtoB Blue. Aside from his group's activities, Yook has acted in television dramas Who Are You: School 2015 (2015), The Village: Achiara's Secret (2015), Guardian: The Lonely and Great God (2016) and Mystic Pop-up Bar (2020) and has appeared on hit shows like Hitmaker, We Got Married and Master in the House.
| Series | Born TO BTOB | 2022 |
| Episode |
아는 형님 Episode 321 with BtoB |
2022 |
| Episode |
전지적 참견 시점 Unknown |
2022 |
| Episode |
싱어게임 3 |
2014 |
| Episode |
전지적 참견 시점 Unknown |
2022 |
| Episode |
아이돌라디오 론칭쇼 |
2018 |
| Episode |
아이돌라디오 Unknown |
2019 |
| Episode |
범인은 바로 너! 오드아이 : 탐정단 vs 괴도 |
2019 |
| Episode |
Killing Voice BTOB |
2023 |
| Episode |
멜론 뮤직 어워드 Melon Music Awards 2018 |
2018 |
