Guest Stars Krystal Jung as Kim Ji Ho Lee Kyu Hyung as Yoo Han Yang Jung Woong In as Paeng Se Yoon Choi Moo Sung as Kim Min Chul Yoo Hyung Kwan as Shim Woo Kyung Ahn Sang Woo as Kim Yong Chul Im Hwa Young as Kim Je Hee Park Ho San as Kang Chul Doo Kim Han Jong as Park Yong Shik Jung Min Sung as Doctor Go Joo Suk Tae as Yum Sang Jae Kang Seung Yoon as Lee Joo Hyung Yum Hye Ran as Han Yang's Mother Kim Yong Woon as Woodwork Shop Inmate Lee Tae Sun as Young Je Hyuk Shin Jae Ha as Kim Min Sung Go Young Bin as Doctor Jung Dae Hyun Choi Yun Dong as Prison Officer Lee Han Ji Won as Young Je Hee Jang Nam Boo as Coach Lee Chae Yun as Teen Ji Ho