Imaikkaa Nodigal

A former ACP who has gone rogue under the Rudra alias, he orchestrates kidnappings and murders to provoke the investigation. He murders his wife and stages three murders of high-profile people to mirror Rudra's crimes. His calculated brutality exposes the thin line between lawful policing and vigilante acts.

A determined police officer who is reassigned to handle the Rudra case and becomes personally entangled in the pursuit. She harbors a deep motive tied to Vikramadithyan's death and uses the Rudra case to uncover the truth. Her revelations redefine the boundaries between duty and vengeance.

Arjun's girlfriend who is accused of cheating and later kidnapped by Rudra, becoming the emotional and ransom-driven centerpiece of the plot. Her abduction compels Arjun to act and further complicates the investigation. Her relationship with Arjun bridges the personal and criminal strands of the story.

Anjali's MBBS brother who travels from Chennai to Bengaluru trying to reconcile with Krithika. He becomes entangled in the case and is framed as Rudra, forcing him to confront the killer's identity. He fights with Martin Roy and plays a key role in uncovering the truth.

Anjali's husband who died in an accident that was covered up by drug-addicted youths. His death catalyzes Anjali's vendetta and the entire Rudra case, and his memory drives the emotional core of the investigation.

Anjali's daughter, born after the fatal accident, who embodies the personal stakes of the vendetta. Her existence links the present pursuit to the family’s past and the father’s last words heard by those in the investigation.

A veteran CBI officer who takes over the Rudra case after Anjali is suspended. He coordinates with Arjun to trap Martin Roy and ultimately helps bring the killer to justice.

A political figure tied to the network of influence behind the case’s high-profile murders. His position underscores the corruption and cover-ups surrounding the Rudra investigation.

A medical professional involved in the hospital context of the story, contributing to the plot’s medical and investigative atmosphere.

Arjun's supportive friend who accompanies him on the trip to Bengaluru and helps in moments of tension as the case unfolds.

The father of the kidnapped victim, whose grief and demand for answers heighten the emotional stakes of the case.

The CBI Chief who provides official direction and oversight during the investigation into Rudra and related crimes.