윤진서

Kim Ga-in

이기우

Hyung-joong

박기웅

Hong Seok-min

Kim Min-kyung

Ji Seon-mo

연제욱

Choi Sang-gyeong

정유미

Lee Myeong-hee

김소은

Kim Ga-yun

안내상

Ga-in's Teacher

정인기

Detective Jo

Ahn Shin-woo

Hong Jae-sun

Kim Jin-geun

Hwang Dae-yong

Kim Do-yeon

Kim Mi-joo

Jeong Wook

Hyung-joong's Father

김소은

Kim Ga-geon

오연서

Chung Eun-gyeong

Oh Ki-hwan