Lee Yun-sang

as Doctor (Eps 3)

as Mayor of Cheongju

as Hospital director

as Mr. Yang

as Judge

as Han Sang-tae

as Judge

as Doshin Group Board Member

as [Shareholder meeting moderator] (Ep. 7)

as Yoon Sang-ki

as Kwon Byung-Wook

as Doctor

as Father in drama series

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

as Judge

as Chief director

as [funeral attendee]

as [Yoon Wan's associate]