Satyanweshi

A famed detective whose razor-sharp observation and analytical method cut through palace intrigue. He arrives under the pretext of a hunting trip and quickly pieces together alibis, motives, and links between suspects. His persistence unravels Kaligati's scheme and exposes the truth behind Harinath's disappearance.

Byomkesh's loyal friend and chronicler, who accompanies him to Balabantpur and provides commentary on the unfolding mystery. He helps frame the investigation with a friend’s perspective, offering insights and occasional comic relief. His presence anchors the duo as they navigate palace politics.

The royal physician whose outward care masks a calculating mind and hidden ambitions. He manipulates palace affairs to ensure Leela’s child carries legitimate lineage, driving him to neutralize threats like Harinath. His scheming places him at the center of the mystery as the mastermind behind the disappearances.

Leela is Kaligati's daughter, an instrumental figure in the succession plot and the mother of Himangshu’s child. Her choices reveal loyalty to bloodline over personal happiness, complicating relationships within the palace. Her pregnancy becomes a key incentive for the physician’s schemes.

The palace librarian who loves Leela and becomes entangled in the web of palace secrets. His disappearance triggers Byomkesh's investigation and exposes how personal affections intersect with political intrigue. His case acts as the catalyst for unveiling deeper motives at Balabantpur.