Dr. Brain (2021)

Lee Sun-kyun

Koh Se-won

6 episodes

Park Hee-soon

Lee Kang-mu

6 episodes

Seo Ji-hye

Lieutenant Cho

6 episodes

Lee You-young

Jung Jae-yi

6 episodes

Lee Jae-won

Hong Nam-il

6 episodes

Teo Yoo

Secretary Yoon

6 episodes

Cha Hee

Dr. Hahn

6 episodes

Um Tae-goo

Lee Tae-goo

3 episodes

Jo Bok-rae

Sergeant Park

1 episodes

Moon Sung-keun

Dr. Myung

1 episodes

Ahn Mi-na

Yoo-jin

1 episodes

Jeon So-nee

Reporter

1 episodes

Kim Joo-heon

Jun-ki

1 episodes

Park Ji Ye

Mi Na

1 episodes

Kong Seong-ha

Lim Jun-Ki's Wife

1 episodes