Twenty

Kim Woo-bin

Chi-ho

Lee Jun-Ho

Dong-woo

Kang Ha-neul

Kyung-je

Jung So-Min

So-min

Lee Yoo-Bi

So-hee

Cham-Sarang Choi

Sa-rang

Kim Chan-Hyung

Head

Kim Eui-sung

Chi-ho's father

So Hee-jung

Gyung-jae's mother

Hyun-min Yang

So-joong

Na In-Woo

Dong Won

Lee Joo-han

Art academy teacher

Joo-yeon Jung

Eun-hye

Kim Sung-gang

Seafood restaurant chef