Guest Stars Choi Jae Sung as Mao Liwarat Kim Gab Soo as Jung Hak Soo Jung Kyung Soon as Team Leader Oh Park Hyuk Kwon as Team Leader Jung Sung Mo as Seo Young Gil Choi Ji Ho as Giraffe Seo Dong Won as Choi Il Do Park Hye Won as Go Myung Jae Lee Tae Ri as Goo Jung Hee Cha Soo Yun as Sya Oh Ming Park Hyo Joon as Ah Hwa Moon Jae Won as Min Ho Young Park Jung Woo as Director Moon