Kwak Dong-yeon
Choi Jung Woo
Lee Se-young
Yang Ah Young
Kwak Jung-wook
Im Duk Won
Choi Tae-joon
Lee Yuk Ho
Park Jeong-min
Shin Young Bok
Bae Noo-ri
Jang Hyun Jin
Yoon Park
Lee Won Il
Baek Sung-hyun
adult Choi Jung Woo
Jeong In-gi
Jung Woo's father
Koh Soo-hee
Jung Woo's mother
Oh Youn-hong
Ah Young's mother
Jeong Soo-young
Homeroom Teacher
Yun Ju-Sang
Yuk Ho's grandpa
Ahn Ji-hyun
Moon Soo Jung
