Guest Stars Han Jin Hee as Han Tae Joon Do Ji Won as Hwang Mi Ran Song Ok Sook as Kim Myung Hee Jo Duk Hyun as Secretary Nam Kim So Hyun as Young Soo Yun Cha Hwa Yeon as Kang Hyeon Ju An Do Gyu as Young Hyung Joon Kim Sun Kyung as Jung Hye Mi / Michelle Kim Yeo Jin Goo as Young Jung Woo Jun Kwang Ryul as Kim Sung Ho Yoo Yun Mi as Young Eun Joo
