Guest Stars Lee El as Samshin Granny Jo Woo Jin as Secretary Kim Park Kyung Hye as Ghost that follows Eun Tak Choi Woong as Junior Grim Reaper Kim So Hyun as Younger Kim Sun Kim Min Jae as Younger Wang Yeo Yoon Da Young as 23-year Grim Reaper Kim Byung Chul as Park Joong Won Jo Hyun Shik as 22-year Grim Reaper Kim Chang Hwan as 23-year Grim Reaper Kim Ki Doo as Grim Reaper Yoon Kyung Ho as Shin's Loyal Subordinate Yoon Kyung Ho as Kim Woo Shik