Kim Rae-won

as Hwang Jin-ho (1 episode)

as Lee Sang-won

as Kang Do-young

as Jin Ho-gae (24 episodes)

as Ji-O (12 episodes)

as Jae-hoon

as Jang Se-chool

as Moon Soo-Ho (20 episodes)

as Seo Jin-hong

as Song Yoo-gun

as Self (1 episode)

as Hong Ji-hong (20 episodes)

as Yong-gi

as Park Jung-hwan (19 episodes)

as Yu Il-han

as Park Ji-Hyung (20 episodes)

as Self (1 episode)

as Lee Kang-jun

as Seong-chan (24 episodes)

as Oh Tae-sik

as Choi Seung Hee (16 episodes)

as Gu Dong-Hyeok

as Kim Hyun-woo (16 episodes)

as Park Sang-min