유아인

Jeon Jong-dae

Kim Byeong-seok

Ki-soo

최재성

Mr. Kim

Lee Dong-ho

Yo-Han / young Jong-Dae

Park Myung-shin

Jong-Dae's mother

박혁권

Young-soo / Jong-dae's father

Kang Byeong-hwa

Handshake Man

Choi Seong-jin

Director Choi

정승길

Chief Im's underling