Guest Stars Yoon Joo Sang as Oh Hyun Kyu Baek Shin as Manager Hwang Kim Il Woo as Kang Chul Hwan Lee Seung Hak as Kim Ji Hun Yoon So Yi as Park Tae Hee Lee Jae Hoon as NSS Agent Kang Shin Hyo as Jang Chul Park Se Joon as Lee Hyuk Soo Kim Gab Soo as Yoo Jung Hoon Park Seung Tae as Yoo Joong Won's Mother
