Kim Kang-woo

as An Jung-geun (1 episode)

as Kim Chun-chu / King Taejong Muyeol (1 episode)

as Producer Yuno

as Paul Chong Hasang (3 episodes)

as Director Son

as Agent Paul (4 episodes)

as Kang Su-ho (14 episodes)

as Director Han

as Paul Chong Hasang

as Jung Joon-hyeok (20 episodes)

as Do-jin

as Kim Sun-woo

as Self (1 episode)

as Ji-ho

as Kang Tae-woo (32 episodes)

as Jo Se-Hwang (32 episodes)

as Bong-gil (2 episodes)

as Baek Kwang-hyun

as Self (11 episodes)

as Park Jin-han

as Oh Jak-Doo (24 episodes)

as Kim Joon-Hyuk (12 episodes)

as Kim Hyo-chan