Guest Stars Yoon Joo Sang as Oh Hyun Kyu Kim Seung Woo as Pak Chul Young Baek Shin as Manager Hwang Baek Sung Hyun as Kang Byung Jin David McInnis as Ray Kim Il Woo as Kang Chul Hwan Cha Hyun Jung as Yoo Hae Young Yoon So Yi as Park Tae Hee Kim Hyung Gon as Song Young Min Park Jung Won as Park Choon Sung Yoon Joo Hee as Lee Soo Jin Ahn Seung Hoon as Kwon Young Choon Jung Suk Won as Young Baek San Kim Jung Wook as Yo Han