The Plan Man is about a man who lives everything according to plan until he meets a woman who wasn't a part of it.
as Han Jung-seok
as Yoo So-jung
as Psychiatrist
as Lee Ji-won
as Kang Byung-soo
as Japanese researcher (uncredited)
as Mi-young
as Lethargy woman
as Section chief Nam (uncredited)
as Drunk (uncredited)
as (uncredited)
as Deong-chi