Special Guest Stars Choi Jeong Eun as Seo U Jung Yoon Suk as Choi Dong Joo Lee Chae Yun as Choi Ok Bin Jung Min Suk as Kim Jin Suk Guest Stars Park In Hwan as Patient Park In Hwan as Policeman 2 Jung Min Gyu as Tae Suk Yoon Ha Young as Student Lee Song Lee as Nurse Lee Tae Young as Patient Jo Ha Suk as Seo Woo's Father Lee Man Soo as Student Lee Joo Eun as Student Chang Soo Bin as Student Park In Bong as Assistant in Chun Gi's Temple Han So Hyun as Patient Hwang Suk Ha as Dong Joo's Father Kim Jung Hwa as Dead Body Kim Jung Hwa as Tae Suk's Sister Ha Min as Seo U's Mother Jang Gi Won as Patient Lee Seung No as Student Bang Chi Yun as Student Jun Jae Sun as Student Han Soo Jin as Student Lee Na Young as Student Kim Shi Eun as Seo Woo's Friend Han Jung Jae as Student Kim Young Woo as Student Kim Ha Neul as Student Heo Sung Il as Student Kim Ye Song as Student Hwang Ji Yun as Student Kim Ji Na as Student Lee Soo Ja as Assistant in Chun Gi's Temple Park Young Gil as Assistant in Chun Gi's Temple Han Seung Wu as Policeman 1 Lee Min Sung as Teacher
