Don Lee as Nam-san

Lee Hee-jun as Yang Gi-su

Lee Jun-young as Choi Ji-wan

Roh Jeong-eui as Han Su-na

Ahn Ji-hye as Lee Eun-ho

Park Ji-hoon as Kwon Sang-sa

Jang Young-nam as Teacher

Park Hyo-joon as Tiger

Seong Byeong-suk as Yeon-su

Jung Young-ju as Madame

Lee Han-joo as Ju-ye

Park Sang-hoon as Director Choi

Ahn Seong-bong as Director Oh

Jeong Gi-seop as Ju-ye's Father

Kim Young-sun as Ju-ye's Mother

Sin Sin-beom as Western Grandfather

Hong Yi-joo as Western's Mother

Lee Sung-Woo as Pung-gi