Stars (in credits order)
Lee Min-Ho
Park Du Hyeon
Park Bo-young
Cha Ah-Rang
Lee Sung-min
Seo Jin Woo
Eun-ji Jo
Choi Ye-seul
Cheol-ho Choi
Bachelor teacher
Bae Yumi
Park Eun Ho
Sun-yeong Ahn
Park Mi-Sook [Homeroom teacher]
Yong-Joon Ahn
Lee Gi-Yeong
Hae-in Kang
Choi Ye Seul
Hyun-ho Shin
Jang Dong Cheol
Ki-beom Jang
Self