Guest Stars P.O as Ji Hyun Joong Seo Yi Sook as Mago Bae Hae Sun as Choi Seo Hee Shin Jung Geun as Kim Sun Bi Jung Dong Hwan as Noh Joon Suk Han Jae Yi as Ghost Lee Chae Kyung as Royal Pacific Hotel Director Kim Kang Hoon as Young Chang Sung Kim Won Hae as Park Gyu Ho Oh Ji Ho as Chang Sung's Father Go Seung Bo as Dumbling Eating Ghost Child Cha Chung Hwa as Police Undercover Kim Oh Bok as ER Doctor