Guest Stars Oh Ji Yul as Ha Ye Sol Lee Hae Young as Shin Young Joon Ahn So Yo as Kim Gyung Ran Son Ji Na as Hong Young Ae Jun Jin Oh as Tailing Man Kim Jung Young as Park Sang Im Song Na Young as Goo Sung Hee Park Ji Ah as Jung Mi Hee Ryu Seung Hyun as Lee Suk Jae Heo Dong Won as Choo Jung Ho Kim Nam Jin as So Hee's Mother Lee Byung Joon as Lee Gil Sung Kwon Bum Taek as Choi Won Suk Yoon Sung Won as Teacher Kang Park Yong as Administration Department Chief Choi Kwang Il as Joo Sung Hak Kim Sun Hwa as Sa Ra's Mother Jang Hyun Jin as Tattoo Guy #2 Kim Kwon as Do Young's Chauffeur Hwang Bo Jung Il as Tattoo Guy #3 Park Young Bok as Yeongsan Funeral Caretaker Park No Kyung as Tattoo Guy #1 Jun Joon Woo as National Police Agency Staff Heo Sun Haeng as Real Estate Agent Park Sul Ha as Seung Ah Lee Doo Suk as Attorney Park Lee Jang Ho as Detective Ita as Student's Mother
