Guest Stars Jung Ho Bin as Wang Baek San Jo Dong Hyuk as Shinichi Shin Endo Choi Il Hwa as Sul Doo Sung Kim Ga Eun as So So Kim Ji Hoon as Bak Chi Gi Lee Hae In as Sun Woo Jin Kim Seo Kyung as Mang Chi Park Chul Min as Old Man Fly Kim Gab Soo as Tenkai Toyama Jun Hun Tae as Security Director Im Hyung Joon as Koichi