유해진
— Tae-soo
조진웅
— Seok-ho
Lee Seo-jin
— Joon-mo
Yum Jung-ah
— Soo-hyun
김지수
— Ye-jin
송하윤
— Se-kyung
Yoon Kyeong-ho
— Young-bae
Ji Woo
— So-young
최유화
— Chae-young (voice)
이순재
— Young-bae's Father (voice)
이도경
— Ye-jin's Father (voice)
Ra Mi-ran
— So-wol (voice)
조정석
— Yeon-woo (voice)
Jo Dal-hwan
— Detective (voice)
Kim Min-kyo
— Min-soo (voice)
정석용
— Joon-mo's Friend (voice)
Choi Sun-ja
— Tae-soo's Mother (voice)
정민규
— Jin-seo
정지훈
— Young Joon-mo