An elder monk and guardian of the Black Eye casket. He recognizes the awakening of the Red Eye and passes the responsibility to Cheongseok. His spirit continues to guide the protagonists after his death.
Hae-ri's Father is a deceased parent represented through Wonderland, allowing Seo Hae-ri to receive video calls from him. Along with Hae-ri's Mother, he teases Seo Hae-ri about her relationship with Kim Hyun-soo, showing how the system preserves a comforting but simulated connection after his death.
Sung-woo is the lead singer and guitarist of the struggling Waikiki Brothers, serving as the calm center of the remaining trio after the saxophonist leaves. Returning to his hometown, he confronts disappointment, reconnects with old school friends, encounters his unrequited first love In-hee, helps his former music teacher, and continues performing after the band is fired.
Sung-joon is Sun-jae's unfaithful husband. His infidelity causes Sun-jae to leave him and move with Tae-su into the old apartment. Later, Keiko's ghost reveals that Sun-jae murdered him, linking the collapse of her marriage to the violence caused by her supernatural transformation.
Ho-jin is Hwang Dae-jun’s close brother, a gentle man interested in carpentry, art, and gardening. He marries Heor Eun-soo before suffering a crash that leaves him in a coma and dependent on life support. After his apparent death, Dae-jun uses his memories and habits to present himself as Ho-jin.
The Security guard initially appears to be the only adult protecting the students after the school is sealed and a staff member is killed. He is secretly the mastermind of the revenge scheme, arranging the final punishment for Hwang Chang-wook and freeing Kang Yi-na only after revealing his true role.
Lee Eol has 20 screen credits in a career dating back to 1996. Their work is anchored in the Death Bell Collection universe with 1 titles. Signature works include Waikiki Brothers, Samaritan Girl, The 8th Night. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Related entry on Wikidata (Q15652571), public domain (CC0).
