Vigilante — Characters & Cast

Begins with personal revenge for his mother's murder, evolving into a systemic crusade to punish those who escape legal justice.

Transforms from a traumatized child into an elite police university cadet who lives a double life. Over the season, his target shifts from individual street offenders to high-level corrupt officials, accepting his identity as a dark necessity.

Preserve public faith in the law; evolves into accepting that official channels are deeply compromised.

Head of the Metropolitan Investigation Unit who strictly enforces the rule of law. Initially views Ji-yong as a criminal who must be stopped, but upon discovering corruption within his own police leadership, he forms a tense, unspoken alliance to clean up the system.

Uncover truth and challenge societal hypocrisy.

A news reporter who names "Vigilante" to boost broadcast ratings. As she uncovers links between corporate cartels and political elites, she transitions from a sensationalist reporter into an investigative ally who uses her broadcast platform to expose official crimes and protect Ji-yong's identity.

Escapism, thrill-seeking, and a fanatical admiration for Ji-yong's moral clarity.

Vice President of DK Group who initially acts as a copycat vigilante. Upon meeting Ji-yong, he pledges his massive wealth, technology, and logistical support, treating their partnership as a real-world superhero team-up.