Guest Stars Im Hyun Sung as Jin Duk Hoo Kim Tae Hoon as Min Tae In Lee Kyung Young as Director Choi Dae Han Im Jong Yoon as Han Sang Joon Kim Byung Choon as Ma Sang Wook Kang Sung as Yoo Jin Woo Seo Eun Ah as Choi Ha Young Hong Sang Jin as Jo Chul Joong