Guest Stars Lee Sung Wook as Oh Ji Hwan Lee Joo Seung as Useless Nam Kyung Eup as Ryu Jae Jin Lee Sang Jin as Dumb-Dumb Kim Ki Bang as Informant Kim Eui Sung as Grandpa Yoo In Hyuk as 4-2 Bae Myung Jin as 2-4 Heo Hyung Gyu as 1-3 Jung Eun Sung as Dummy Roh Yoon Seo as Jung Seul Ah Lee Yi Dam as 4-1 Im Sung Jae as Sergeant Lee Lee Soon Won as 3-3 Bae Yoo Ram as 5-7 Choi Seung Hoon as Young Sa Wol Ahn Hyun Bin as Refugee Hwang Bo Jung Il as Big Delivery Guy Kim Ah Hyun as Young Jung Seul Ah