완벽한 타인

Yoo Hai-jin

Tae-soo

Cho Jin-woong

Seok-ho

이서진

Joon-mo

Yum Jung-ah

Soo-hyun

Kim Ji-soo

Ye-jin

송하윤

Se-kyung

Yoon Kyung-ho

Young-bae

Ji Woo

So-young

Choi Yu-hwa

Chae-young (voice)

이순재

Young-bae's Father (voice)

Lee Do-gyeong

Ye-jin's Father (voice)

Ra Mi-ran

So-wol (voice)