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 Kim Yong Rim as Mrs. Ok Jo Han Chul as Choi Hyung Kil Kim Soo Hyun as Nam Soo Man Jung Ae Ri as Yoon Ji Sook's Mother Shin Young Jin as Kang In Sook Jung Soo Young as Hye Jin's Friend