Guest Stars Bae Hyun Sung as Seung Jo Lee Moo Saeng as Kuroko 01 Lee Sung Wook as Yuh Myung Joon Han Dong Hee as Noh Ji Soo Heo Joon Suk as Kwon Yong Gil Jung Dong Geun as A0-67 Lee Suk as Researcher Kim Hye Hwa as Madam Na Lee Seo Jun as Oh Ki Hoon Kim Kang Il as Cleaning Guy Goo Min Hyuk as Motel Owner Sung No Jin as Ki Hoon's Father Lee Jae Soon as Cleaning Lady Jun Min Hyub as Delivery Man on Motorbike
