Guest Stars Kim Young Chul as Han Tae Oh Woo Hyun as Ha Ma Jun Mi Sun as Baek Nan Joo 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 Song Young Kyu as Kang Hak Soo Jung Won Joong as Shin Pil Do Ahn Ji Hyun as Kang Han Na