Jung Woo-sung
Do-chul
Acting
Lee Jung-jae
Hong-ki
Acting
Lee Beom-soo
Byeong-guk
Acting
Han Go-eun
Mimi
Acting
Park Ji-hoon
Seong-hoon
Acting
Lee Ki-yeol
Mr. Moon
Acting
Han Sang-mi
Hong-ki's Mother
Acting
Park Sung-woong
Byeong-guk's Man
Acting
Kim Young-ho
Boxing Trainer (uncredited)
Acting
Kwon Tae-won
Man (uncredited)
Acting
Lee Bong-gyu
Lender (uncredited)
Acting
Choi Sun-joong
Doctor
Production