Kim Jae-won

as Gu Do-ha

as Kim Tae-kyeong (1 episode)

as Emperor Eon (1 episode)

as Han Jin-woo

as Kang Ji-hwon (8 episodes)

as Cheon Sang-hak / Moonee (15 episodes)

as Self (12 episodes)

as Seo Dong-ju (2 episodes)

as Sung Do-Gyum (16 episodes)

as Chun Ri-an

as Kim Ri-an (7 episodes)

as Self (1 episode)

as Lee Ro-un (16 episodes)

as Shin Chang-hoon (12 episodes)

as Seo Woo Kyu

as Je Soo Oh (20 episodes)

as Choi Han-su (young) (20 episodes)

as 남주환 (1 episode)

as Hyeong U

as Shin Soon-rok (8 episodes)

as Jung Ma Ro (8 episodes)

as Seo Woo-gyu (1 episode)