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 Ahn Sang Woo as Kim Yong Chul Park Ho San as Kang Chul Doo Park Hyoung Soo as Na Hyung Soo Kim Han Jong as Park Yong Shik Jung Min Sung as Doctor Go Bae Ho Geun as Dr. Jang Yoon Hwan Ye Soo Jung as Kim Je Hyuk's Mother Joo Suk Tae as Yum Sang Jae Kang Seung Yoon as Lee Joo Hyung Lee Tae Sun as Young Je Hyuk Go Young Bin as Doctor Jung Dae Hyun Choi Yun Dong as Prison Officer Lee Choi Sung Won as Jeombaki Kang Hyun Joong as Gang Boss