Guest Stars Woo Hyun as Ha Ma Jun Mi Sun as Baek Nan Joo Kim Young Chul as Han Tae Oh Kim Sun Kyung as Section Chief Min Son Ho Jun as Han Young Joon Lee Jae Won as Kim Hong Lee Sang Hoon as Secretary Ahn Kim Yoon Sung as Cha Pyo Jung Won Joong as Shin Pil Do Song Jong Ho as Gong Woo Jin