Kim Tae-kyung Director Hyun-bin Jae-kyung Actor Lee Yeon-hee Eun-hwan Actor Lee Han-sol Myung-sik Actor Kim Byung-se Lawyer Actor Lim Ju-hwan Seung-jun Actor Jeong Uk School Principal Actor Kim Eun-sook Screenwriter Lee Hoon-Seok Music Score Lee Juik Producer Choi Chan-min Cinematographer