Guest Stars Im Chul Soo as Lee Chung Gu Jang Young Nam as Kim Ok Hui (Mi Ji & Mi Rae's mother) Won Mi Kyung as Kim Ro Sa Lee Si Hoon as Shin Gyeong Min Cha Mi Kyung as Kang Wol Sun (Mi Ji & Mi Rae's grandmother) Jung Seung Gil as Choi Tae Gwan Lee Jae In as Yu Mi Ji (teen) Park Yun Ho as Lee Ho Su (teen) Hong Sung Won as Kim Tae I Moon Dong Hyeok as Song Gyeong Gu Lee Jae In as Yu Mi Rae (teen) Yoo Yu Jin as Park Ji Yun Shin Jeong Won as Hwang Ji Su Kim Joo Hun as Lee Ho Su's father
