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 Ahn Sang Woo as Kim Yong Chul Park Ho San as Kang Chul Doo Jung Moon Sung as Yoo Jung Min Park Hyoung Soo as Na Hyung Soo Kim Han Jong as Park Yong Shik Jung Min Sung as Doctor Go Shin Won Ho as Joo Jung Hun Lee Sang Yi as Sergeant Oh Kang Seung Yoon as Lee Joo Hyung Kim Joon Han as Song Ji Won Kim Yong Woon as Woodwork Shop Inmate Yum Hye Ran as Han Yang's Mother Shin Jae Ha as Kim Min Sung Choi Yun Dong as Prison Officer Lee Seo Ji Hoon as Min Shik Ahn Ji Hyun as Ji Ho's friend Lee Young Suk as Inmate Choi Sung Won as Jeombaki Lee Do Yup as Head of Department Do