Mayor of Cheongju (1 episode)

Doctor (Eps 3) (1 episode)

Hospital director (1 episode)

Mr. Yang (1 episode)

Judge (1 episode)

Doshin Group Board Member (2 episodes)

Judge (1 episode)

Han Sang-tae (1 episode)

[Shareholder meeting moderator] (Ep. 7) (12 episodes)

Yoon Sang-ki (1 episode)

Doctor (1 episode)

Kwon Byung-Wook (1 episode)

Father in drama series (1 episode)

[Yoon Wan's associate] (2 episodes)

Jang Dong Gyu [President, Institute for Defense Analysis] (3 episodes)

Chief director (1 episode)

Judge (3 episodes)

[funeral attendee] (100 episodes)