Kim Hee-chan

as Choi Ho-jung (12 episodes)

as Min-woo

as Seung-in

as Hyeon-soo

as Jang Seul Gi (10 episodes)

as Kim Hee-chan (16 episodes)

as Oh Jae-Min (16 episodes)

as Jang Eun-Seok (2 episodes)

as Doo-man

as Hong Joon (16 episodes)

as Cha Hyun-Seok (young) (16 episodes)

as Kang Sang-Chul (20 episodes)

as Tak Ye-joon (12 episodes)

as Do-han