Guest Stars Krystal Jung as Kim Ji Ho Kang Ki Doong as Prison Officer Song Lee Kyu Hyung as Yoo Han Yang Kim Kyung Nam as Lee Joon Dol Kim Sung Chul as Kim Young Chul Im Hwa Young as Kim Je Hee Ahn Chang Hwan as Ahn Dong Ho Ye Soo Jung as Kim Je Hyuk's Mother Yoo Jae Myung as Lawyer Ryu Jang Hyuk Jin as Han Yang's Father Jung Jae Sung as Professor Myung Choi Kwang Il as Inmate Detention Center Sung Dong Il as Chief Jo Ji Ho Lee Hoon Jin as Soji Kim Gi Nam as Choi Hyun Woo Lee Ho Chul as Gal Dae Bong