Byun Sung-hyun Director, Screenwriter Sul Kyung-gu Han Jaeho Actor Im Si-wan Cho Hyunsoo Actor Kim Hee-won Ko Byeong-gap Actor Lee Kyeong-yeong Ko Byeongcheol Actor Jeon Hye-jin Cheon Insuk Actor Moon Ji-yoon Yeong-geun Actor Jang In-sub Mincheol Actor Park Soo-young Pastor Jang Actor Nam Gi-ae Hyeonsu's mother Actor Choi Byung-mo Captin Choi Actor Jin Seon-kyu Chief Security Officer Actor Kim Ik-tae Busan Police Commissioner Actor Lee Jee-hoon Prosecutor Oh Actor Hong-In Banggae Actor Choi Jun-young Yongchan Actor Heo Joon-ho Kim Seonghan Actor Ko Bong-gu Ho-yeol Actor Kim Sung-oh Jeong Seungpil Actor Lee Dong-yong cold storage manager Actor Lee Jinhui Producer Kim Hong-jip Original Music Kim Minsu Screenwriter Jo Hyeongrae Cinematographer Han Areum Set Decoration Choi Hui-ran Costume Design