Kim Suk-Joon (10 episodes)

Seon Woo-chan (12 episodes)

Captain Joo (10 episodes)

Kim Byeong-Cheol (Eps 3) (1 episode)

Self (1 episode)

Choi Seong-chul (7 episodes)

Cho Sang-heon (10 episodes)

Bullfight's Father

Ko Jae-geun (2 episodes)

King (1 episode)

Lee Deok-hyeong

Woo Do (8 episodes)

Bae Geun-sik (16 episodes)

Young-ho

Youn-sung

Self (17 episodes)

Yoon Joong-won (9 episodes)

The King (16 episodes)

Jay

The Minister

Song Sun-Tae (12 episodes)

Jang Tae-in (12 episodes)

Jin Dong-ki (16 episodes)

Lee Pyeon-woong (16 episodes)

Seung Gyeol's father

Yoon Ah-yi's Father (6 episodes)

Lee Tae-sang (16 episodes)

Park Ilhae (16 episodes)

Kang-doo

Oh Chae-jun (16 episodes)

Park Yong-ho

Self (2 episodes)

Patient

Han Seung-hyuk (20 episodes)

Mr. Yoon

Dong-wook

Attorney Oh

[Loan shark] (14 episodes)

Won-yoo (1 episode)

Yoon Hee-seob (16 episodes)

Nam Yong-seong

Colonel

Kim Nam-gyu

Deok-gu

Kim Tae-Joon (32 episodes)

Juror #5 - Choi Yeong-jae

Jin-su

Bong Ji-hong (16 episodes)

Lee Dae-hwan

King (16 episodes)

Prosecutor

Lee Chang-geun (16 episodes)

Jung Seung-gil

Congressman Kang

Doo-Sik (16 episodes)

President of Shimwon E&C

Il-sung

survival Earth Armed Forces

Detective

Kim Tae-Jung (20 episodes)

Choi Hyung-kil (16 episodes)

Park Joon-beom (16 episodes)

Park Won-jong

Secretary Kim (12 episodes)

Kim Do-shin (50 episodes)

Yoon Dong-won (20 episodes)

Man #1 workaholic (1 episode)

Cafe employee (5 episodes)

Doctor

Professor Yoon

Kim Chang-soo (17 episodes)

General Manager Jo (1 episode)

Seong-il

Loan Shark

Jung Nam

Shin Kang-ho (36 episodes)

Man

Moo-young (35 episodes)

Army Doctor

군의관

Researcher

Divorce Court Representative

Director Lee

Gong Taek-joong

Hospital Director

Yun-chool

Pastor Jo

Lodge Manager (uncredited)

Critic

Sang-hun

Sangwon's Older Brother

Colleague 1

(1 episode)