Guest Stars Lee Hae Young as Shin Young Joon Yoon Da Kyung as Hong Young Ae Ahn So Yo as Kim Gyung Ran Kim Jung Young as Park Sang Im Lee Moo Saeng as Kang Yung Chun Son Kang Gook as Detective Choi Kim Nam Jin as So Hee's Mother Jun Soo Ah as Sung Han's School's Nurse Choi Soo In as Lee Sun Ah Kim Nam Ho as Manager Han Park Yong as Administration Department Chief Yang Seo Yoon as Do Young's Secretary