Agent Sai Srinivasa Athreya

An amateur detective in Nellore who runs the Fatima Bureau of Investigation and solves petty crimes. He is still haunted by his mother's death, which fuels his keen eye for detail and stubborn pursuit of truth. He connects clues with methodical patience and faces off against corrupt authorities while trying to clear his name.

Athreya's loyal assistant who helps gather clues and coordinate the investigation. She complements Athreya's instincts with criminology know-how and practical support, playing a key role in linking phone records to suspects.

An amateur detective from Hassan, Karnataka who befriends Athreya. He later helps by sharing insights and even pretending to be dead to mislead pursuers, revealing his own unconventional investigative methods.

The central conspirator who manipulates dead-body schemes to extort money and hijack fingerprints. He uses a front of legitimacy to hide his criminal network and becomes the main antagonist behind the Venkatachalam murders.

A criminology graduate who is the mastermind behind the operation. She manipulates Ajay and Harsha and frames Athreya, orchestrating the murder plot while maintaining a composed, calculating demeanor.

A student who becomes entangled in the case through the religious-crime project. He and Harsha contribute photos and information that help uncover the larger criminal network.

Another criminology student drawn into the investigation. He and Ajay's research ultimately helps reveal Vasudha's plot and the true nature of the killings.

A dutiful police officer who collaborates with Athreya and Bobby. He provides on-ground support, helps track suspects, and corroborates CCTV evidence that helps Athreya build his case.

An initially arrogant police inspector who arrests Athreya on suspicion of murder. His stance shifts as the investigation uncovers a larger conspiracy surrounding the bodies and the criminal network.

Athreya's friend who informs him about the missing Divya and acts as a catalyst for the case. His information threads through the investigation, pushing Athreya to piece the puzzle together.