On screen
Cast
15 credited performers
Koo Kyo-hwan
Seok Hwan / Red
Shin Seung-ho
Black
Kang Ki-young
Young-ha
Kim Sia
Cha Ye-rin
Kim Sung-ryung
Mi-joo
Kim In-woo
Cha Hyeong-seok
Kim Ji-yool
Character not listed
Justin Harvey
Character not listed
Kim Seung-beom
Bully 1
Hwang Geun-hyung
Bully 4
Ha Jin-chul
Police
Kwon Hee-wook
Japanese diplomat
Kim Do-gyeong
Citizen
Lee Joong-hyun
Guest
Kim You-jung
Blue