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