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