Guest Stars Kwon Hae Hyo as Hyun Dae Ho Kim Kwang Kyu as Na Dae Sub [Ah Jung's father] Kim Soo Jin as Seo Dong Ok [Ah Jung's mother] Park Ah In as Choi Seung A Min Jin Woong as Eun Taek Hong In as Choi Min Woong Song Sang Eun as Yang Ji Ae Kang Na Eon as Yoo Jong Hee Kim Ye Won as Ahn Se Jin [Min Woong's wife] Kim Young Hoon as Jo Tae Min Moon Seung You as Na Soo Jung [Ah Jung's sister]