Character Name : Seo In-woo

Original Name : 이병헌

Gender : Male

Character Name : In Tae-hee

Original Name : 이은주

Gender : Female

Character Name : Im Hyun-bin

Original Name : 여현수

Gender : Male

Character Name : Yeo Hye-joo

Original Name : 홍수현

Gender : Female

Character Name : Kim Chul-sung

Original Name : 남궁민

Gender : Male

Character Name : Kwak Yoon-jung

Original Name : 이지용

Gender : Male

Character Name : Kim Jin-tae

Original Name : 임재근

Gender : Male

Character Name : Lee Dae-geun

Original Name : 이범수

Gender : Male

Character Name : Kim Min-jae

Original Name : 김민재

Gender : Male

Character Name : Cho Jae-Il

Original Name : 장석원

Gender : Male

Character Name : In-woo's Wife

Original Name : 전미선

Gender : Female

Character Name : Director of Student Affairs

Original Name : 기주봉

Gender : Male

Character Name : P.E. Teacher

Original Name : 박철민

Gender : Male

Character Name : Professor of Sculpture

Original Name : 김갑수

Gender : Male

Character Name : Substitute Teacher of Korean

Original Name : 오지혜

Gender : Female

Character Name : Courier

Original Name : 우정국

Gender : Male

Character Name : Supermarket Owner

Original Name : 이석구

Gender : Male

Character Name : English Teacher

Original Name : 김정영

Gender : Female

Character Name : Sculpture Schoolgirl

Original Name : Hwang Hyo-eun

Gender : Female

Character Name : Class President

Original Name : Lee Soo-young

Gender : Male