Court official managing royal affairs.
Choi Chun-ho is one of the five inmates sharing Room 7 with Lee Yong-gu. Although the inmates initially reject Yong-gu because of his alleged crime and disability, they eventually help him reunite with Ye-seung, train him for questioning, organize the hot-air-balloon escape, and later attend his mock trial together.
Jo Dong-chul is the Police Chief who summons Oh Gu-tak and orders him to reassemble the special unit after the prison transport attack. He initially presents the mission as a manhunt, but is revealed to be Yoshihara's mole, taking No Sang-shik and the diary before abandoning the team in a staged fire incident.
Kyu-jin is the groom whose wedding opens the film and becomes an important turning point for Joon-young. He is anxious about Joon-young’s absence from significant wedding moments, while the ceremony gives Joon-young hope of seeing Yeon-hee again. His marriage frames the film’s wider questions about commitment and bachelorhood.
A support soldier responsible for food preparation within the platoon. His specific field actions are not detailed in the provided events, but he is part of the unit subjected to the haunting.
Se-mi's father is mentioned in connection with her decision about the school trip: she explains to Ha-eun that she has not received his approval. The summary does not say whether he has refused permission, what he thinks about the trip, or whether he appears in person.
The voice and commander of the extremist Taliban group responsible for abducting the Korean tourists.
Jung-seok is the keyboardist in Sung-woo's traveling band and one of its three remaining members. During the group's nightclub engagement at the Waikiki Hotel, he gives in to his worst vices, contributing to the band's decline. His behavior contrasts with Sung-woo's restraint and complicates their effort to keep the band working.
Park Jun is a heavily indebted lawyer and recovering alcoholic who initially hesitates to accept Kim Kyung-ho's case. After being recommended by Jang Eun-seo, he represents Kim Kyung-ho during the appeal, where he is impressed by his client's legal knowledge and helps expose weaknesses in the prosecution's evidence and the victim's testimony.
Ma Sang-doo is the dance studio manager who suggests that Na Young-sae bring Jang Chae-rin to Korea. His recommendation sets the central partnership in motion: after Young-sae discovers Chae-rin cannot dance, the dancer must train her within three months for the national championship.
A detective involved in pursuing leads as the murder investigation develops. Det. Choi works alongside other officers while tensions rise among the detectives, contributing to the police inquiry surrounding Kim, Ji-yeon, and the victim.
Swallow is one of the crooks gathered for Choi’s scheme alongside Master Kim and Gasoline. The crew’s loyalties are uncertain, and Swallow’s disappearance becomes one of the complications confronting the conspirators as arguments erupt over whether Choi has cheated his partners.
Park Won-sang has 70 screen credits in a career dating back to 1996. Their work is anchored in the Gravedigger Jones and Coffin Ed Johnson Collection universe with 1 titles. Signature works include W, Road Family, National Security. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
