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.
정재영
as Han Jung-seok
한지민
as Yoo So-jung
김지영
as Psychiatrist
차예련
as Lee Ji-won
최원영
as Kang Byung-soo
황병국
as Japanese researcher (uncredited)
성병숙
as Mi-young
Ha Jae-sook
as Lethargy woman
박길수
as Section chief Nam (uncredited)
윤경호
as Drunk (uncredited)
고서희
as (uncredited)
김지훈
as Deong-chi
