Guest Stars Choi Dae Chul as Dae Chul Jung Kyung Ho as Suk Jin Go Bo Kyul as Eun Young Nam Gyu Ri as Seo Won Ahn Kil Kang as Boo Jang Yoon Hyun-Min as Sang Woo Kim Tae Han as Bookstore Owner Lee Jae Yi as Sul Ha Yoo Soon Woong as Eun Young Boo