as Kim Du-han(1 ep)
as Han Jae-kyung(120 eps)
as Pak Te Su
as Narrator
as Min Eun Seok(123 eps)
as Self(1 ep)
as Cha Shik's doctor(3 eps)
as Yi Bang-won(50 eps)
as Baek Jae-heon(144 eps)
as Im Yeon(56 eps)
as Jin Seung(60 eps)
as Junpei Kimura(6 eps)
as Jung Han-soo(63 eps)
as Cameo (uncredited)
as Jung Han-Soo
as 한길수
as Kwon Hyuk Soo(18 eps)
as Jae-seob
as Kim Du-han (youth)(2 eps)
as Bada
as Young-bae
as Kim Gun(16 eps)
as Intern
as Hyun-woo
as Yeonsan(186 eps)
as Prince Choongnyeong / King Sejong(159 eps)
as Sa Hyun(1 ep)