Choi Min-sik as Hyeon-woo

Jang Shin-young as Su-yeon

Kim Ho-jung as Yeon-hee

Kim Kang-woo as Ju-ho

Youn Yuh-jung as Mother

Kim Yeong-ok as Jae Il's grandmother

Jang Hyun-sung as Kyung-soo

Choi Il-hwa as Yong Seok's father

Kim Dong-young as Yong Seok

Uhm Hyo-seop as On-duty teacher

Lee Min-ah as The woman in front

Lee Eon as (uncredited)

Lee Jae-eung as Jae-il (uncredited)

Kim Jung-pal as Young Miner