[A woman cursed to be tied to the guest house Del Luna for ages due to a great sin - Owner of Hotel Del Luna] Approx. 1,340 years old / Female - On the outside, she is as noble and beautiful as the moon, but her soul is over a thousand years old. - Extremely ill-tempered, fickle, and moody. - Spends money like water and indulges in luxury. - A classic case of 'tough on the outside, soft on the inside.' - Immortal, possessing superior combat skills and supernatural abilities. ❤ Gu Chan-sung

[Ultra-elite hotelier - Human manager of Hotel Del Luna] 29 years old / Male - A perfectionist with thorough self-management, possessing traits of obsession, cleanliness, and fixation. - The type to brag to an annoying degree, yet a very polite young man. - A soft-hearted, easy-going man (Works at a ghost-only hotel, but is terrified of ghosts). - Suffers from headaches due to Jang Man-wol's extreme extravagance. ❤ Jang Man-wol

[Bartender of the lounge bar 'Sky Cup' at Hotel Del Luna] Late 40s (Died during the Joseon Dynasty) / Male - Real name is Kim Si-ik. - The longest-serving employee, having worked for 500 years. - Formerly a scholar who passed the civil service exam with top honors. - Internally, he still clings to the manners and dignity of the era he lived in (Uses archaic, formal speech).

[Head of Room Service at Hotel Del Luna] 40s (Died during the Joseon Dynasty) / Female - Real name is Choi Seo-hee. - A lady with a sharp personality and a neat appearance, with 200 years of work experience. - Formerly the eldest daughter-in-law of the prestigious Yun family of Myeongju. - Handles all sorts of chores while dealing with various ghosts. - Despite being from the same era as Kim Seon-bi, she lived during the late Joseon period and adapted quickly to modern culture.

[Bellboy and Frontman of Hotel Del Luna] 19 years old (Died during the Korean War) / Male - A polite and kind 19-year-old boy who, deep down, dislikes working. - Has been working at the hotel for about 70 years since dying in the Korean War. - Born into a wealthy family. ❤ Kim Yu-na

[Hotel intern eyeing Gu Chan-sung's manager position] 18 years old / Female - Outwardly she looks like Kim Yu-na, but her soul is actually that of her classmate, Jung Soo-jung. ❤ Ji Hyun-joong