Choi Gwang-il

Minister

Goo Bon-pyeong • 12 episodes

Choi Young-jun • 3 episodes

Yang Byung-il • 16 episodes

Han Seung-rok • 10 episodes

Gong Chang-ho • 14 episodes

Jung Guk-hwan

Father Marco

Lee Cheol Yong [Elder] • 16 episodes

Detective Cho

Kim Byeong Gil [Concubine Kim's father] • 10 episodes

Choi Nam Hyeon [Taxi driver] • 1 episodes

Hong Il-kyung • 3 episodes

Seo Min-soo

Moon Chul-sung • 8 episodes

Kang Hui Ryong [Chief of police] • 20 episodes

Director Kang • 1 episodes

Jun-taek's father • 3 episodes

Chief Song

Byun Jong-il • 16 episodes

Kim Pil Soo [Chairman] • 16 episodes

Cha Jin-cheol • 14 episodes

King Go Soon • 30 episodes

Joo Seong-hak • 4 episodes

Kim Seok-Hoon • 16 episodes

Han Young-seok

Lee Jang-won • 12 episodes

Hong Eun O [Cheon Ki's father] • 16 episodes

Hwang Jeong Ho • 16 episodes

Im In-gwan • 12 episodes

Self • 1 episodes

Shin Myeong-hwi • 16 episodes

Sunwoo Myung • 16 episodes

Chun Suk-tae • 32 episodes

Kwon Joo Han [Managing Director, Taesung Group] • 32 episodes

Kim Hyung Soo • 32 episodes

Choi Gwang Min [Chief of FSC's Audit and Inspection office] • 1 episodes

Doctor

Park Man-young • 16 episodes

President

Choi Pil Soo [Do Hyun's father] • 16 episodes

Mo Sung Kook [TL Osem Head of Department] • 32 episodes

Lee Ki Baek [Section chief] • 4 episodes

Jang Ming Gi • 16 episodes

Director Nam Chul Woo • 16 episodes

Hyun-su's Father

Pub owner • 2 episodes

Ahn Yoo

[Death Row Inmate - Detention Center] • 2 episodes

Han Seo

Ahn Chang Hoon • 40 episodes

Attorney Choi

Han Seo • 1 episodes

Doctor

[Friend 2]

Doo-chan

Jeong-woo