Choi Won-hong

as Kang In-Ho (32 episodes)

as Kim Dan (10 episodes)

as Yoon Dong Woo (1 episode)

as Mysterious homeless boy (16 episodes)

as Seo Joon (16 episodes)

as Ba-woo (16 episodes)

as Wang Dae-Bak (50 episodes)

as Self (28 episodes)

as King Uija (child) (36 episodes)

as Hong Jin (125 episodes)

as Baek Eun-jo (16 episodes)

as Joon-seo