Guest Stars Jang So Yun as Kang Joo Hee Jung Sung Mo as Seo Chang Kwon Kim Min Jae as Officer Han Park Eun Suk as Nam Gun Woo Ahn Seo Hyun as Seo Yoo Na Lee Yul Eum as Shin Ga Young Woo Hyun Zoo as Kyung Soon Choi Jae Woong as Kang Pil Sung Ryu Tae Ho as Head of a Police Station Park Ji Il as Park Chun Shik