Guest Stars Im Hyun Sung as Jin Duk Hoo Kim Tae Hoon as Min Tae In Lee Kyung Young as Director Choi Dae Han Jo Young Jin as Police Commissioner Lee Il Han Kim Ji Won as Min Tae Hee Kim Min Joon as Teacher Jung Jang Seo Hee as Ji Won Lee Sang In as Ha Yun Mi Kim Ha Rin as Yeon Hwa Yoo Sang Jae as Choi Chul Han Lee Soo Yong as Ryu Tae Sik