Guest Stars Park Jung Pyo as Hong Eun Pyo Hwang Bae Jin as Detective Lee Dong Yong as Captain Go Dong Eob as Crime Scene Investigator Kim Jung Woo as Detective Won Mi Won as Min Hey Jin's mother Choi Hyung Joo as Park Eun Yul Kim Si Ha as Park Ha Yul Yoon Hyun Gil as Announcer Hong Min Soo as Murderer Kim Chang Shik Im Yoon Bi as Airline Employee Kim