Guest Stars Yoon Joo Sang as Oh Hyun Kyu Baek Shin as Manager Hwang Kim So Yun as Kim Sun Hwa 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 Park Se Joon as Lee Hyuk Soo Kim So Hyun as Young Soo Yun Park Gun Tae as Young Yoo Gun