Seo Su-bin
Lee Jooin
Acting
Jang Hye-jin
Kang Taesun
Acting
Kim Jeong-sik
Jang Suho
Acting
Kang Chae-yun
Gong Yura
Acting
Lee Jae-hee
Lee Haein
Acting
Park Ji-yun
Jang Noori
Acting
Kim Ye-chang
Park Chanwoo
Acting
Go Min-si
Han Mido
Acting
Lee Sang-hee
Yang Boa
Acting
Lee Dae-yeon
Oh Daehan
Acting
Kim Suk-hoon
Lee Kidong
Acting
Baek Hyun-joo
Lee Injoo
Acting
Byun Joong-hee
Bae Yunja
Acting
Moon Hye-in
Ms. Song
Acting
Kim Min-ji
Kwon Somi
Acting
O Jung-won
Hong Bomi
Acting
Kim Yun-jeong
Pyo Dami
Acting
Choi Ga-in
Choi Miyun
Acting
Son Seung-beom
Son Beom
Acting
Lee Seo-i
Lee Munha
Acting
Kim Ji-min
Kim Jiyeon
Acting
Jung Eun-kyoung
school principal
Acting
Kim Joon-bum
dean of students
Acting
Kim Geu-lim
lawyer
Acting
Kim Do-hyeong
Suho's father
Acting