Hwang Chang-yung

Pyun Deok Hwa / Lee Tae Sung / Oira (voice)

Sa Moon-young

Park Ha Neul / Female Student / Female Extra (voice)

Lee Kyung Tae

Park Ji Ho (voice)

Kim Hyeon-uk

Lee Hyun Do / Go Jeong Gi / Kim Seul Bum (voice)

Lee Gyu-chang

Na Yu Eop / Park Han Gyul / Homeroom Teacher (voice)

Bae Jeong-mi

Choi Soo Jeong / Deok Hwa's Grandmother / Female Student (voice)

Kim Ok-kyung

Hyung Seok's Mom (voice)