Dedicated detective and team member, provides reliable support during intense criminal investigations.
Jun-ho claims to rescue Young-woo from a live wire and standing water, but reveals himself as her obsessive captor. He has been watching her, controls her movements, threatens her child, holds Min-hee as leverage, and frames his violence as a romantic Christmas story.
Dong-sik is an orderly who becomes disgusted by the hospital's inhumane treatment of its prisoners. He contacts Woo-jin to organize a rescue, helps the captives during the crisis, and stays behind to save others. Later, Na Nam-su encounters him badly burned, while the final revelation identifies Dong-sik as the diary's true owner.
Assistant Deacon Choi is the newly arrived twelfth assistant, trained in the instructions and prayers for exorcism. He assists Father Kim in the ritual for Young-shin, but the spirit provokes him by calling him a killer and drawing his attention away from the rites. He falters and pleads for help, then accepts Father Kim's warning about facing inner darkness.
Joon-geun is a struggling surfer who hopes to leave for Bali but is also concerned about earning a living. He trains for a contest against a more experienced rival, while his friends argue over how to help him. When a job interview falls on the contest day, he accepts the opportunity and is absent when the competition begins.
Lee Hak-ju has 44 screen credits in a career dating back to 2012. Their work is anchored in the The Roundup Series universe with 1 titles. Signature works include The Potato Lab, Newtopia, My Dearest. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
