Guest Stars Park Hyuk Kwon as Jo Jin Woo Choi Min Soo as Lee Wang Chul Kim Yeo Jin as Lee Hae Kyung Kim Kwang Kyu as Byung Kwan Lee Jae Baek as Kang Bbang Kim Gyu Tae as Im Tae Woo Park Bo Mi as Jo Min Joo Choi Joon Kyu as Chae Bin Jang Se Rim as Yoo Eun Chae Chun Dong Bin as Jung Hwan Kang So Hee as Na Eun Shim Yi Young as Jo Hye Hyun Kim Yi Kyung as Kim Ji Hye Kwak Hee Joo as Tae Rim Kim Young Pil as Gyu Ri's Father Lee Seung Woo as Shin Kyung Shik Min Bok Gi as Dean Choi Dae Hoon as CEO Choi Hyun Sung