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