as Prime Minister(3 eps)
as In-ah's father(2 eps)
as Assemblyman Baek Sang-hwa(4 eps)
as Moon-cheol
as Go Jung-cheon
as Bishop
as Min Je(14 eps)
as Cha Woong(12 eps)
as Park Ji-yong's Butler
as Jo Moon-ho(16 eps)
as Cha Yoo-hyuk(12 eps)
as Baek Seung-ryong(16 eps)
as Min Sung-Sik(20 eps)
as Kim Byeong-Dae(20 eps)
as Polaris
as Kim Gye-hoon
as Nam Woo Hyun(32 eps)
as Song Bong-Gil(48 eps)
as Ho-min's Father
as Kwon Jae-bok [Jung-rok's father](1 ep)
as oon-Young's father(16 eps)
as Yoon Hyun
as Director Park
as Na Ki-chul(24 eps)
as Deputy Chief Scholar
as Seol Jae-Chan(41 eps)
as General manager Lee
as Manager Nam(20 eps)
as K-CIA Officer
as Lee Suk-Ho(51 eps)
as Song Ik-pil(50 eps)
as Father Kim
as Executive Director Song
as Executive Moon(20 eps)
as Kim Shim-Eon(78 eps)
as Sin Han-pyeong
as Oh Young Sook's husband(16 eps)
as Choi Chi-Soo(52 eps)
as Mr. Lee
as Bank Clerk
as Public Servant
as Team Leader, Defense Research Institute
as Jang Woo-shin
as Kim Gi-rim
as "Pride and Mercy"