Guest Stars Kim Joong Ki as Park Joong Ki Son Eun Seo as Park Eun Soo Lee Hae Young as Jang Kyung Hak Baek Sung Hyun as Shim Dae Shik Yesung as Oh Hyun Ho Kim Jae Wook as Mo Tae Goo Kim Roe Ha as Nam Sang Tae Kim Yong Woon as Ji Choon Bae Oh Yun Ah as Heo Ji Hye Lee Na Yoon as Sae Bom Jo Wan Ki as Kim Kyu Hwan Hong Sung Duk as Baek Jin Goo Yeo Moo Young as Byung Sang Ahn Lee Chae Kyung as Do Mi Young