전도연

Song Jung-yeon

고수

Im Jong-bae

Kang Ji-woo

Hye-rin

최민철

Seo Moon-do

이동휘

Gwang-sik

박지환

Tae-gwang

Seo Jin-won

Sang-chul

최귀화

Detective from Seoul Prosecutor's Office

Corinne Masiero

Hellboy

Joanna Kulig

Yalka

허준석

Soo-Jae

배성우

Korean Embassy Employee

김해곤

Proxy Driver Client

Lee Min-woong

Korean Embassy Employee 1

Dong Hyo-hee

Jong-bae Older Sister

방은진