Yoo Dong-geun

as Hwang Jin-Yong (16 episodes)

as Kang Sam-Do (32 episodes)

as Park Hyo-Seob (50 episodes)

as Jung Chul (4 episodes)

as Cha Soon-Bong (53 episodes)

as Yi Seong-gye (50 episodes)

as Commentary

as Jang In-tae

as Ahn Hee Jae (40 episodes)

as Commentary (5 episodes)

as Lee Han-gook

as Go Yong-Joo

as Gook Dae-hwa (56 episodes)

as Yeon Gae Somun (older adult) (100 episodes)

as Kim Tae-shik

as Ju Young-dal

as Han Sang-jin / Min Young-tae (52 episodes)

as Jang In-tae

as Heungseon Daewongun (124 episodes)

as Lee Bang Won / King Taejong (159 episodes)

as Jo Gwang Jo (16 episodes)