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