Characters played by Lee Byung-hun
Deok-gi
Characters played by Kim Go-eun
Seol-hee
Characters played by Su-an Kim
Goo-Seul
Characters played by Jun-Ho Lee
Yool
Characters played by Jeon Do-yeon
Seol-rang
Characters played by Lee Kyung-young
Teacher
Characters played by Soo-bin Bae
Poong-chun
Characters played by Kim Tae-Woo
Jon-bok
Characters played by Kim Won-jin
Fighter
Characters played by Yoo-Bin Sung
Gamcho
Characters played by Zhang Dong
Yoo-Baek's bodyguard