Lee Seung-woo is Lee Na-mi's suspicious and protective father, who works with her at his cafe. Because he distrusts Oh Jun-yeong, Jun-yeong imprisons him in his own home. He is later forced into a bathtub confrontation but survives, allowing Na-mi to return to their shared life.
A private detective hired by Han Sang-hoon's wife to investigate his suspected infidelity. His employees secretly photograph the murders of Sang-hoon and Lee Yoo-jeong, providing crucial evidence that triggers a police manhunt for Beon-jun. He later visits Lee Joo-yeon to provide an update regarding Jae-yeong's whereabouts.
Referred to as the Doctor aboard the ship. He secretly transports medical equipment and syringes disguised as food, administers a sedative to a restrained prisoner, and is later killed while attempting to flee.
A wealthy survivor who hoards the most coins. Initially self-serving, he is swayed by Kim Dok-ja's offer and joins the final battle against the Fire Dragon to protect the other survivors.
Mr. Kim is Seo-yeon's father, whose death in a house fire becomes the first major point of change between the two timelines. Young-sook uses Seo-yeon's information to prevent the original fire, but later kills him when he returns to the house with his young daughter.
A prosecutor in Seoul introduced at the narrative's conclusion. After Sang-Pil and Jae-Yi secure their convictions in Kisung, they return to Seoul specifically to partner with Seung-Bum, continuing their fight against systemic corruption within the legal system.
The King who has abandoned his people during the spreading war, Seonjo is the absent royal authority whose actions intensify the crisis. His decision contrasts sharply with Prince Gwanghae’s growing willingness to share hardship, accept responsibility, and fight alongside ordinary people rather than retreat.
Park Ho-san has 62 screen credits in a career dating back to 1997. Their work spans 2 cinematic universes — most prominently The Killers Project with 1 titles. Signature works include Unlocked, True Beauty, The Penthouse. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
Universe traveler — spans 2 universes
