Kim Nam-gil

as Prince Suyang

as Kim Tae-yi(1 ep)

as Self

as Lee Do(10 eps)

as Kang Ho-ryeong

as Adult Cheol-su

as Self(2 eps)

as Self(1 ep)

as Self(1 ep)

as Lee Yun(9 eps)

as Woo-jin

as Self(1 ep)

as Self(1 ep)

as Self(1 ep)

as Van(12 eps)

as Self(1 ep)

as Self(1 ep)

as Self(1 ep)

as Tokyo Branch Agent 3

as Choi Hyun-soo

as Song Ha-young(12 eps)

as Self(2 eps)

as Nervous Man

as Kyung-hoon

as Narrator(4 eps)

as Self(9 eps)

as Kim Hae-Il(52 eps)

as Min-geol

as Self(2 eps)

as Tae-ju

as Dr. Heo Im(16 eps)

as Kang-soo

as Jae-hyuk

as Heungseon Daewongun

as Jung Jae-gon (Lee Young-jun)

as Jang Sa-jung

as Narrator

as Han Yi-soo(20 eps)

as Shim Gun-wook(17 eps)

as Kim Su-in

as Self - Narrator

as Self - Narrator(5 eps)

as Bidam(62 eps)

as Jang Yoon-ho

as Kang-mu

as Hidaka Shinsuke

as Moon-soo

as Kim Jun-gi(16 eps)

as Song Jae-min

as Tae-san(20 eps)

as Seok-Woo

as Yoo Ji-an(16 eps)

as Kim Byeong Tae(16 eps)

as Noh Seong-hwan(1 ep)

as Hye-jan's boyfriend(26 eps)

as Police Officer at Checkpoint