Guest Stars Jun Suk Ho as Choi Woo Suk Sung Do Hyun as Mercenary Team Leader Gong Yoo as The Salesman Choi Jae Sup as Park Man Chul Lee Joo Shil as Joon Ho's Mother Park Ye Bom as Park Na Yun Shim Woo Sung as Manager Hong Suk Youn as Security Guard Joo Suk In as Attraction Park Employee #1 Jo Ah Young as Attraction Park Employee #2 Yoon Tak as Dentist Ji Soo Han as Bouncer Jung Jong Yul as Doctor
