Kwak Jung Director, Screenwriter Lee Si-eon Sung-min Actor Sung-Cheol Kim Joon-hyuk Actor Heo Ga-yoon Noo-ri Actor Kim Seo-yeon Seo-won Actor Joo Si-hyun Jae-min Actor Ko Jung-il Detective Go Actor Son Byeong-ho Convenience store boss Actor Bae Sang-woo Sociopath Actor Kim Bu-hyun Producer Kim Gyung-won Producer Choi Jong-man Cinematographer Choi Hyun-sook Film Editing Oh Han-Jung Original Music Heo Yoo-ra Original Music