Gong YooGoblin / Kim Shin Lee Dong-wookGrim Reaper / Wang Yeo Yoo In-naSunny / Kim Seon Kim Seong-gyeomYu Shin-woo Kim Byong-chulPark Joong-heon Jung Young-kiPark Gyeong-sik Choi WoongGrim Reaper's Junior Jo Hyun-sikBatch 21 Grim Reaper Kim Chang-hwanBatch 23 Grim Reaper Yoon Da-youngBatch 23 Grim Reaper / Court lady Park Kyung-hyeVirgin Ghost Kim Min-youngPark Soo-jin Han Seo-jinYoung Ji Eun-tak Jung Ji-hoonYoung Yu Deok-hwa / Yu Geum-seon Kim Seo-jungSunny's Friend Kim Baek-riHwang Mi-young Kim Nan-heeEun-tak's Teacher Ahn Ji-hyunKo Hyeon-jung (ghost at library) Park Se-wanGhost with glasses Park Hee-vonJi Eun-tak's mother Carson AllenGirl at restaurant Kang Hye-kyungHotel receptionist Shin Young-gyu[Bus passenger] Lee Kyoo-hyungJung Hwa's husband Yoon Ha-limExecutive Producer Kim So-yeonProduction Design Han Soo JiTheme Song Performance Jo Hyun-ahTheme Song Performance HeizeTheme Song Performance Eddy KimTheme Song Performance AileeTheme Song Performance SoyouTheme Song Performance Kim E-ZTheme Song Performance Kwon SunilTheme Song Performance Kwon Jeong-yeolTheme Song Performance ChanyeolTheme Song Performance Nam Hye-seungOriginal Music Composer Sam KimTheme Song Performance Jung Joon-ilTheme Song Performance Bae Jin YoungTheme Song Performance Roy KimTheme Song Performance Lasse LindhTheme Song Performance Park YonginTheme Song Performance 
