Guest Stars Ahn Sang Woo as Gong Seung Chul Kim Kyung Nam as Oh Dae Gi Lee Sung Wook as Choi Moo Ja Lee Soo Kyung as Na Young Joo Ro Woon as Go Eun Sub Jung Jae Sung as Lee Woo Taek Hong Ji Min as Heo Young Ran Park Hyuk Kwon as Jang Won Shik Park Ji Il as Homeless Man Yoon Joo Man as Jo Won Ho Park Seo Yun as Gong So Hee Kim Ik Tae as Oh Dae Gi's Grandfather