Guest Stars Choi Jung Woo as Shin Il Shik Son Byung Ho as Oh Hae Won Yoo Ji In as Ji Hyun's Mother Kang Tae Sung as No Kyung Bin Bae Geu Rin as Park Seo Woo Moon Hee Kyung as Bang Hwa Joon Jin Ye Sol as Ma Soon Jung Kim Ik Tae as Doctor Jo Bak Sun Kim Yoo Bin as Young Ji Hyun Lee Young Ran as Han Kang's Mother Park Soo Yun as Kim Sun Young Goo Seung Hyun as Little Kid Jo Min Ah as Young Song Yi Kyung Kim Hyung Bum as Lee Seung Bok