Main Cast
Lee Hyun Woo as Yoon Shi Woo
Hong Bin as Wang Chi Ang
Seo Ye Ji as Sim Soon Duk
Jung Yoo Jin as Hwang Sun Ah

School Teacher
Shin Hyun Joon as Principal Hwang Moo Song
Shin Sung Woo as Teacher Chae Yun
Kan Mi Yeon as Teacher Yoo Di
Samuel Okyere as Teacher Samuel Okyere
Daniel Lindemann as Teacher Daniel Lindemann
Jang Gwang as Beop Gong