Guest Stars Lee Joo Seung as Cha Joon Ho Kang Min Ah as Yoon Seo Kyung Min Sung Wook as Myung Ho Oh Han Kyul as Beach Child Jung Yi Rang as Pharmacist Yoon Hwa Kyung as Seo Kyung's Partner Joo Soo Jin as Woman #4 Kim Yi Ahn as Woman #3 Yoon Boo Jin as Woman #2 Shin Dong Hoon as Myung Ho's Friend #2 Song Sam Dong as Myung Ho's Friend #1 Kim Woo Hyuk as Kyung Shik Jang Yoo Sang as Young Suk Lee Kang Wook as Young Suk Hyung Kim Yun Joo as Woman #1 Park Chul Min as Teacher Yoon Yoo Sun as Sook Kyung