Guest Stars Son Sang Yun as Jang Woo Jin Kim Bo Yoon as Seo Hyo Ryung Ahn Seung Kyun as Oh Joon Yeong Lim Jae Hyeok as Yang Dae Su Yang Han-yeol as Yoo Joon Sung Ha Seung Ri as Jang Ha Ri Lee Eun Saem as Park Mi Jin Bae Hae Sun as Park Eui Won