Kim Yong-hwa Director, Writer, Screenwriter, Producer, Film Editor Xu Jiao Weiwei Actor Sung Dong-il Sung Choong-soo Actor Kim Heung-rae Mr.Go Actor Kim Hee-won loan shark Actor Kim Kang-woo Doosan Bears baseball team director Actor Kim Jung-tae NC Dinos baseball team director Actor Kim Eung-soo KBO Commissioner Actor Jung In-gi KBO Secretary General Actor Jo Jae-yoon Orthopedic surgeon Actor Lee Joon-hyuk Jeroz Actor Choo Shin-soo Self Hyun-Jin Ryu Self Joe Odagiri Owner of baseball team Junichi Ito Actor Byun Hee-bong Weiwei's grandfather Actor Kim Yong-gun Owner of baseball team Doosan Bears Actor Kim Jung-eun Self Ma Dong-seok Baseball caster Self Kim Sang-kyoon NC bench player Actor Park Hyun-cheol Cinematographer Jeon Dae-seong Cinematographer Lee Jae-hak Music