Kadro (13)
Ha Seok-jinJin Jung-Suk
Park Ha-seonPark Ha-Na
KeyKi-Bum
Kim Dong-youngDong-Young
Hwang Woo-seul-hyeHwang Jin-Yi
Min Jin-woongMin Jin-Woong
Kim Won-haeKim Won-Hae
Gong MyoungGong Myung
Jung Chae-yeonChae Yeon
Lee Yong-yiKim Mi-Kyung
Kwon Jae-heeJung-Suk's mother
Seo I-hanStudent
Jang Do-yun[Graduate from class #1]