Lee Seung-gyu

as Ryu Jun-hyeong

as Ryu Jun-hyeong (uncredited) (archive footage)

as Kim Do-hoon

as Kwon Jae-woo

as Shin Ki Tae

as Shin Ki Tae

as Yeon Ji-hoon / ke-JIHOON

as Cha Hyun Jin

as Yu-hyeol