유오성

Li Cheol-jin

Park In-hwan

Mr. Oh

박진희

Hwa-yi

정영숙

Mrs. Kim

신하균

Woo-yeol

Jeong Gyu-su

Thief 1

Jung Jae-young

Thief 2

Im Won-hee

Thief 3

이문식

Thief 4

Son Hyun-joo

Woo-yeol's teacher

박용수

Investigator

Yoo Hai-jin

Gangster

조선묵

Investigator

유태균

Dr. Park

김일웅

Police

Lee Ki-yeol

Spy

허기호

Spy

김병서

Special Police

박철관

Guard

김광석

Instructor