장근석

Han Joon-soo

송하윤

Kim Byul

Moon Mason

Han Woo-ram

Ko Kyu-pil

Ki-seok

Choi Jae-hwan

Chun-sung

Kim Byeong-ok

Joon-soo's father

박현숙

Joon-soo's mother

Jeong Gyu-su

Byeol's father