Cast of Dr. Brain

Meet the talented cast of Dr. Brain. From main characters to supporting roles, discover the actors who bring this show to life.

Starring: Lee Sun-kyun as Koh Se-won, Park Hee-soon as Lee Kang-mu, Seo Ji-hye as Lieutenant Cho, Lee You-young as Jung Jae-yi, Lee Jae-won as Hong Nam-il, Teo Yoo as Secretary Yoon, Cha Hee as Dr. Hahn