as [Drama actor](1 ep)
as Physician(1 ep)
as Judge(1 ep)
as Mayor of Cheongju(1 ep)
as Doctor(1 ep)
as Hospital director(1 ep)
as Mr. Yang(1 ep)
as Doshin Group Board Member(2 eps)
as Judge(1 ep)
as [Shareholder meeting moderator] (Ep. 7)(12 eps)
as Judge(1 ep)
as Han Sang-tae(1 ep)
as Yoon Sang-ki(1 ep)
as Kwon Byung-Wook(1 ep)
as Father in drama series(1 ep)
as Doctor(1 ep)
as Jang Dong Gyu [President, Institute for Defense Analysis](3 eps)
as Chief director(1 ep)
as Judge(3 eps)
as [funeral attendee](100 eps)
as Yoon-wan's Associate(2 eps)
as Prosecutor in the Movie