한석규

Soohyun

심혜진

Sunyoung

진희경

Midan

신현준

General Hwang

김학철

the head of a hospital

김명국

Jin Myeong

Ryoo Sun-Cheol

Musicians

Ji Chun-seong

Student

Choi Hak-rak

Youngchul's Younger Brother

Hong Seong-deok

Yeong Chul

Yoo Yeon-su

Yeong Chul's Brother

Lee Il-su

Su Chul

박동빈

Psyco

Ricky Jeon Je-Hyeok

Stunts

강제규

Director

이동준

Original Music Composer

박곡지

Editor

강제규

Screenplay

Oh Jung-wan

Producer

이강산

Lighting Director