Guest Stars Im Hyun Sung as Jin Duk Hoo Kim Tae Hoon as Min Tae In Lee Kyung Young as Director Choi Dae Han Oh Dae Hwan as Lee Moo Sung Lee Sang In as Ha Yun Mi Yoo Sang Jae as Choi Chul Han Lee Soo Yong as Ryu Tae Sik