as Mayor of Cheongju

as Doctor

as Mr. Yang

as Hospital director

as Han Sang-tae

as Judge

as Doshin Group Board Member

as [Shareholder meeting moderator] (Ep. 7)

as Judge

as Kwon Byung-Wook

as Yoon Sang-ki

as Doctor

as Father in drama series

as Chief director

as Judge

as Jang Dong Gyu [President, Institute for Defense Analysis]

as [funeral attendee]

as Yoon-wan's Associate