Don

From Mumbai, Vijay is a simple-minded stunt performer recruited to impersonate Don after the original's coma. He becomes a reluctant infiltrator in the cartel, masking fear with bravado while caring for Deepu. His growing exposure to violence tests his resolve and blurs lines between deception and loyalty. By the end, his true identity is overshadowed by the mastermind's larger plan.

An ambitious police officer who leads the anti-cartel operation and plays a key role in the undercover plan. He trains Vijay to mimic Don and uses the ruse to infiltrate the gang, all while pursuing his own agenda. His ruthlessness blurs lines between law enforcement and manipulation, culminating in a fatal confrontation. Ultimately the revelation shifts responsibility to the larger mastermind behind the scheme.

Ramesh's sister who joins Don's gang to avenge her brother and Kamini’s deaths. She repeatedly attempts to kill Vijay but also forms a counter-gesture of affection toward him. Roma’s actions drive the anti-Don alliance and she plays a crucial role in the pursuit of justice. Her alliance with Vijay and Jasjit complicates loyalties and fuels the twist.

Leader of the cartel under Boris's network, Singhania is a ruthless figure whose empire collapses under the police operation. He is killed during a nightclub raid after D'Silva's intervention. His death designs a power vacuum that accelerates the subsequent twists in the plot. Singhania's downfall exposes the fragility of gang loyalty.

Ramesh's estranged father, released from prison, is drawn back into the conflict as he seeks revenge for his family's suffering. He pursues the truth behind the diamonds-and-kidnapping incident and eventually discovers D'Silva's alive conspiracy. Jasjit helps rescue Deepu and teams up with Vijay and Roma to confront the mastermind. His involvement ties together past trauma with the present mission.

The elusive Don who survives the coma and orchestrates events behind the scenes. In a twist, he swaps identities with Vijay, murders him, and later reclaims his throne after the operation reveals his enduring control. Don’s manipulation ensures the cartel remains under his rule, ending with his triumphant return to power. The film ends by casting doubt on who truly ran the show.