Cha Woo-minKang Woo-young Choi Min-yeongSeo Jun-tae Kim Su-gyeomJeon Yeong-bin Shin Seung-hoJeon Seok-dae Lee Jun-youngGeum Seong-je Yoon Jung-hoonLee Jeong-chan Cha Se-jinBasketball club member 3 Hwang Sung-binHan Tae-hoon Lee Myeong-roBaek Dong-ha Jeon Bae-sooBaku's Father Kong Hyun-jooSi-eun's Mother Cho Jung-seokChoi Chang-hee Lim Ho-jun2-4 Homeroom Teacher Son Bo-seungSeoknam's Gorilla Jang Dae-woongKim Won-seok Jung Hyeon-junChild Park Hu-min Lee Hyun-baeYeong-bin's Friend Yu Seong-yongBaseball Player Oh Su YunYeong-bin's Mother Kim Hyeok-jongPolice Officer 1 Kim Tae-junPolice Officer 3 Park Sang-eunJeong-chan's Friend Jang Jae-haChild Yeon Si-eun Byun Joong-heeAn Su-ho's Grandmother Lee Hae-woonHomeroom Teacher Jang Jun-whee2-7 Homeroom Teacher Kang Hak-sooPolice Officer Kim Dae-myungBaek-jin's Classmate Shin Mi-yeongOrphanage Director Jo Ah-youngYeong-bin's Friend You Su-minRegista / Sceneggiatore Louis KooProduttore Esecutivo Peter Chan Ho-SunProduttore Esecutivo An Ji-hyeProduction Design PrimaryCompositore Musicale Originale Han Jun-heeCasting Director Kim Sung-hoUnit Production Manager 
