as Han Min-joon

as Heo Sung-goo

as Choi Joo-won

as Ha-roo

as Kim Bum-gyun (young)

as Kim Jae Hong

as Kim Jae-hong

as Choi Ji-ho

as Jo Soo-hak (young)

as Young Joon-hyung

as Kim Han-sol

as Young Suk-yi

as Yi Bang-bun (young)

as Kim Gang-jae (young)

as Young Gong Tae-kwang

as Oh Rion (Young)

as Choi Daehan (Young)

as Jang Geu-rae (young)