Character Name : Hyeon-woo

Original Name : 최민식

Gender : Male

Character Name : Su-yeon

Original Name : 장신영

Gender : Female

Character Name : Yeon-hee

Original Name : 김호정

Gender : Female

Character Name : Ju-ho

Original Name : 김강우

Gender : Male

Character Name : Mother

Original Name : 윤여정

Gender : Female

Character Name : Jae Il's grandmother

Original Name : 김영옥

Gender : Female

Character Name : Kyung-soo

Original Name : 장현성

Gender : Male

Character Name : Yong Seok's father

Original Name : 최일화

Gender : Male

Character Name : Yong Seok

Original Name : 김동영

Gender : Male

Character Name : On-duty teacher

Original Name : 엄효섭

Gender : Male

Character Name : The woman in front

Original Name : Lee Min-ah

Gender : Female

Character Name : (uncredited)

Original Name : Lee Eon

Gender : Male

Character Name : Jae-il (uncredited)

Original Name : 이재응

Gender : Male

Character Name : Young Miner

Original Name : 김정팔

Gender : Male