Don

A notorious crime lord who dies, then is impersonated by a street performer. The dual identity drives the plot as he infiltrates the gang and tries to uncover the real mastermind. He is loyal to the children and clever about manipulating appearances to outwit enemies.

A determined police official who hides the death of Don and engineers the plan to replace him with a look-alike. His calculated moves show the complexities of justice and the price of undercover operations. He is willing to bend rules for a personal sense of duty.

Interpol officer tasked with tracking Don across borders, later revealed to be central in the larger criminal network’s web. He navigates institutional pressures and questions of loyalty in a dangerous city. His arc intersects with the undercover plot and the diary’s fate.

A fierce ally of the gang who seeks revenge for her brother’s death. Her suspicions complicate the undercover operation, testing Vijay’s trust and forcing dramatic confrontations. She becomes a pivotal figure in the pursuit of truth.

A key associate who teams up with Vijay to rescue the children and unmask the diary’s real thief. He evolves from a foe to a collaborative ally, sharing risks and resources.

Vijay’s adopted child, one of the family-centered stakes in the story. The safety and future education of Deepu motivates the undercover mission and adds emotional weight.

Vijay’s other adopted child, a focal point of the parental care that drives the protagonist’s choices.

Kamini’s backstory involves tragedy tied to Don’s past actions, fueling Roma’s fire and impacting the undercover operation.

A member of Don’s network whose fate intersects with the mission, complicating loyalties and raising the stakes.

A police inspector who heads the investigation after Malik’s deception is uncovered. He represents the law’s pursuit of truth and order in the chaos of the undercover operation.