Guest Stars Krystal Jung as Kim Ji Ho Lee Kyu Hyung as Yoo Han Yang Kang Ki Doong as Prison Officer Song Jung Woong In as Paeng Se Yoon Choi Moo Sung as Kim Min Chul Kim Kyung Nam as Lee Joon Dol Yoo Hyung Kwan as Shim Woo Kyung Jung Hae In as Yoo Jung Woo Kim Sung Chul as Kim Young Chul Im Hwa Young as Kim Je Hee Park Ho San as Kang Chul Doo Jung Moon Sung as Yoo Jung Min Ahn Chang Hwan as Ahn Dong Ho Kim Han Jong as Park Yong Shik Jung Min Sung as Doctor Go Shin Won Ho as Joo Jung Hun Ye Soo Jung as Kim Je Hyuk's Mother Kang Seung Yoon as Lee Joo Hyung Kim Joon Han as Song Ji Won Seo Ji Hoon as Min Shik Ahn Ji Hyun as Ji Ho's friend Jung Jae Sung as Professor Myung Lee Do Yup as Head of Department Do Bae Jin Woong as Prison Storekeeper Yoon Seung Hoon as Possessed Inmate