완벽한 타인

Yoo Hai-jin

Tae-soo

Cho Jin-woong

Seok-ho

이서진

Joon-mo

염정아

Soo-hyun

김지수

Ye-jin

송하윤

Se-kyung

Yoon Kyung-ho

Young-bae

지우

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)

조달환

Detective (voice)

김민교

Min-soo (voice)

Jeong Seok-yong

Joon-mo's Friend (voice)