Guest Stars Ok Ye Rin as Cha Joon Hee Kim Gun Woo as Cha Joon Soo Kang Ki Young as Kim Sang Ryul Seo Yi Sook as Kwon Young Shil Uhm Hyo Sup as Shim Woo Chul Lee Hyun Kul as Park Soo Il Park Seung Tae as Grandmother getting on the Elevator Im Byung Ki as Jung In Tak
