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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