Guest Stars Lee Hae Young as Shin Young Joon Son Ji Na 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 Jun Soo Ah as Sung Han's School's Nurse Son Kang Gook as Detective Choi Kim Nam Jin as So Hee's Mother 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
