On screen
Cast
13 credited performers
Ha Seok-jin
Jin Jung-Suk
Park Ha-seon
Park Ha-Na
Key
Ki-Bum
Kim Dong-young
Dong-Young
Hwang Woo-seul-hye
Hwang Jin-Yi
Min Jin-woong
Min Jin-Woong
Kim Won-hae
Kim Won-Hae
Gong Myoung
Gong Myung
Jung Chae-yeon
Chae Yeon
Lee Yong-yi
Kim Mi-Kyung
Kwon Jae-hee
Jung-Suk's mother
Seo I-han
Student
Jang Do-yun
[Graduate from class #1]