Guest Stars Yoon Joo Sang as Oh Hyun Kyu Baek Shin as Manager Hwang Baek Sung Hyun as Kang Byung Jin Kim Il Woo as Kang Chul Hwan Cha Hyun Jung as Yoo Hae Young Lee Seung Hak as Kim Ji Hun Yoon So Yi as Park Tae Hee Lee Bo Hee as Jung Soo Min Jo Sung Ha as Ha Seung Jin Kang Shin Hyo as Jang Chul Park Se Joon as Lee Hyuk Soo