Guest Stars Lee Sun Bin as Jo Mi Joo Jo Woo Jin as Ahn Tae Wook Kim Joo Hun as Investigator Park Heo Jae Ho as Jang Hak Joo Jung Do Won as Investigator Kim Jung In Gi as Sa Jae Sung Song Ok Sook as Noh Bang Shil Go Kyu Pil as Jung Ja Wang Kim Joo Ri as Choi Ji Yun Oh Dae Hwan as Ma Jin Suk Kim Byung Choon as Kang Noh Seung Lee Hak Joo as Ahn Chang Ho Oh Man Suk as Park Duk Bae Kwon Tae Won as Noh Duk Gi