Guest Stars Kim Joong Ki as Park Joong Ki Son Eun Seo as Park Eun Soo Lee Hae Young as Jang Kyung Hak Baek Sung Hyun as Shim Dae Shik Yesung as Oh Hyun Ho Kim Jae Wook as Mo Tae Goo Kwon Hyung Joon as Chun Sang Pil Jo Young Jin as Bae Byung Gon Kim Roe Ha as Nam Sang Tae Lee Do Kyung as Mo Ki Bum Lee Shi Woo as Moo Dong Woo Lee Yong Nyeo as Shim Choon Ok Shin Seung Hwan as Shim Young Woon Kim Ho Young as Yang Ho Shik Kim Yoon Ah as Club DJ Kim Hyung Kyu as Club Boss