Guest Stars Soo Hyun as Yukiko Maeda Kim Hae Sook as Mrs. Nawol Park Ji Hwan as Goo Gap Pyung Ok Ja Yun as Na Young Chun Wi Ha Joon as Kwon Jun Taek Ahn Ji Ho as Bum Oh Lee Moo Saeng as Kuroko 01 Bae Hyun Sung as Seung Jo Lee Sung Wook as Yuh Myung Joon Han Dong Hee as Noh Ji Soo Park Hye Jin as Antenna 1 Kim Kang Min as Kuroko 04 Nam Myung Ryul as Mr. Heo Im Ki Hong as Mr. Wang Heo Joon Suk as Kwon Yong Gil Jun Kwang Jin as Mr. Park Park Sung Geun as Shin Ji Oh Lee Suk as Researcher Son Sook as Lady Maeda Park Tae In as Ahn Jong Hyuk Shin Soo Hyun as Nurse Min Sang Chul as Photographer
