Adult Trainee (2021) — Cast
Cast
| Jang Sung-yoon | Song Liling |
| Lee Chan-hyeong | Joon-pyo |
| Ryu Ui-hyun | Min-gyu |
| Ryeoun | Ga-nam |
| Jo Sung-Joon | Se-jin |
| Kwon Young-eun | Eun-sil |
| Park Se-hyun | Hyun-woo |
| Cho Mi-yeon | Ye Qian |
| Cho Mi-yeon | Ye Qian |
| Ryu Ui-hyun | Jae-yeong |
| Jo Sung-Joon | Se-jin |
| Cho Yu-jung | Ra |
| Kang Lee-seok | Jae-yeong |
| Lee Kang-ji | Moo-hyeon |
| Ryeoun | Ho-Kwan |
| Kang Lee-seok | Sung-hyuk |
| Lee Kang-ji | Jae-yeong |
| Kwon Young-eun | Marks' Son |
| Park Se-hyun | Hyun-woo |
| Oh Ki-Chan | Lee |
| Jang Sung-yoon | Song Liling |
| Lee Chan-hyeong | Joon-pyo |
| Kim Min-ki | Joon-pyo |
| Cho Yu-jung | Ra |
| Oh Ki-Chan | Lee |
| Kim Min-ki | Joon-pyo |
Crew
| Jeong Hyeong-geon | Director |
| Yoo Hak-chan | Director |
| Jeong Hyeong-geon | Director |
| Yoo Hak-chan | Director |
| Choi In-hee | Sound |
| Choi In-hee | Sound |