Gu Bum-mo is an unemployed, heavily drinking papermaking worker and one of Yoo Man-su's perceived job competitors. After Yoo Man-su is bitten by a snake near him, Gu Bum-mo's wife treats the injury. A confrontation over a gun ends with Gu Bum-mo being shot by his wife, while the investigation later wrongly attributes further violence to him.
Martial law commander who recognizes Chun Doo-gwang's growing threat and warns against military interference in politics. He attempts to check Chun's power by appointing the loyal Lee Tae-shin but is ultimately targeted by Chun's conspiracy. He is abducted from his home on December 12 following a violent confrontation, becoming the primary catalyst for the coup.
A former monk who left the monastery and works as a construction worker. He carries the spiritual burden of countless clinging souls and becomes the mentor and protector of Cheongseok. Ultimately sacrifices himself to trap the Red Eye demon and save the young monk.
Ik-ho’s older brother and coach, whose sudden disappearance triggers the central conflict. His vanishing leads the police to treat Ik-ho as the prime murder suspect and becomes the reason Ik-ho accepts Ace’s dangerous game. In the final round, Ik-ho must find Young-ho inside a huge soccer stadium.
Hwang Gyu-tae was the former technical lead responsible for the earlier Narae-ho program. After the launch disaster killed three astronauts, he accepted responsibility and died by suicide. His absence leaves Kim Jae-guk as the crucial surviving expert capable of helping repair the spacecraft and support Hwang Sun-woo.
Joo Tae-ju is a top National Security agent assigned to protect the VIP panda Ming Ming. After a head injury during an accident in which Ming Ming disappears, he develops the ability to hear animals speak. He uses this strange condition to investigate the disappearance and works with Ali, a wandering military dog who has a clue.
The South Korean President who authorizes the KCIA to retrieve a damaging manuscript. He grows distrustful of Kim over financial issues and political disagreements regarding pro-democracy protests. Favors Kwak's hardline approach, plans to replace Kim as KCIA director, and is ultimately assassinated by Kim during a dinner meeting.
A doctor who devises an elaborate experimental treatment to eliminate Jang's split personality. The procedure backfires, resulting in the creation of a mysterious investor identical to Jang.
One of the main residents who moves into a European-style house. He and his friend attract police surveillance and are mistaken for kidnappers after attempting to save Mi-na from almost drowning.
A dominant political broker and power broker who controls the local election machinery, orchestrates candidate nominations, and ruthlessly eliminates threats to his established authority.
The protagonist and an engineer driven by a lifelong ambition to build a train station for his remote village, leading the residents' campaign with determination and strategic planning.
The leader of the Chusul bandits who welcomes Dol Moo-chi and trains him. He stages an ambush against Jo Yoon during a raid on Naju but is killed by Jo Yoon during the encounter, marking a major turning point for the clan.
Lee Sung-min has 74 screen credits in a career dating back to 2004. Their work is anchored in the Ode to My Father Collection universe with 1 titles. Signature works include No Other Choice, Reborn Rich, Juvenile Justice. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
