According to MyDaily, at least, he will not appear in it. But since everyday there is another rumor about another drama, I have my doubts still. This was meant to be the drama version of "My Girlfriend is an Agent" movie with some nice Kang Jihwan.
김남길의 소속사 스타제이엔터테인먼트 관계자 역시 "'비밀남녀'에 김남길은 출연하지 않는다"
OK, so one drama off the list. According to the article, he will be reviewing few works. Let's hope someone else decides on a good drama this time for him.