Dr. Brain Cast
7 actors in all seasons
Lee Sun-kyun
Koh Se-won
Park Hee-soon
Lee Kang-mu
Seo Ji-hye
Lieutenant Cho
Lee You-young
Jung Jae-yi
Lee Jae-won
Hong Nam-il
Teo Yoo
Secretary Yoon
Cha Hee
Dr. Hahn