Guest Stars Ok Ye Rin as Cha Joon Hee Kim Gun Woo as Cha Joon Soo Kang Ki Young as Kim Sang Ryul Kim Yeo Jin as Shim Eun Ha Jung Si Ah as Bong Sun Mi Lee Hyun Kul as Park Soo Il Cho Tae Kwan as K Kim Dan Woo as Han Yoo Ra Nam Gyu Ri as Choi Yun Kyung Park Si Won as Kim Seung Ki Yang Dong Geun as Cha Jung Il Jung Kyu Soo as Jung Il's Boss Kim Myung Soo as Moon Sung Soo Kim Ji Eun as Jin Yong Tae's Ex-Secretary
