Anthony Kaun Hai?

Champak Chaudhary, known as Champ, is a crafty con artist who forges passports and IDs and uses charm to misdirect people. He loves Roza, but their wedding is interrupted by his arrest; after being recruited to help Raghu escape, he grows into a more complex figure who risks everything to protect Jia and expose the truth. He assumes Anthony Gonsalves's identity when seeking a new life, only to discover the real Anthony's story complicates his plan. In the end, he turns himself in for witness protection and works to uncover the truth behind the crimes for Jia.

Raghuvir Sharma is a life-sentenced thief and magician who stole the Queen's diamonds to secure a future for his daughter Jia. He collaborates with Champ to escape jail, hoping to cash in on the diamonds. He dies in the final confrontation, having sacrificed much for his daughter's safety. His actions bind the characters in a dangerous quest for freedom and truth.

Jia is Raghu's daughter, a vulnerable figure whose life is entangled with the diamonds his father hid. She becomes a focal point of Champ's affection and a catalyst for the final reconciliation. Jia guides Champ to the buried diamonds and faces the consequences of a complicated criminal world. Her presence drives emotional stakes and motivates the pursuit of justice.

Master Madan is an elusive underworld killer who initially clashes with Champ but eventually acts as a reluctant ally. He helps when needed, even lending his Ferrari to aid Champ in catching Jia's flight. Madan's interventions shift the balance of power and provide a volatile but pivotal partnership in the pursuit of truth. He embodies the gray area between crime and mercy.

Inspector Suraj Singh is a pragmatic police officer who tracks down Lucky Sharma and his gang. He becomes a key link in turning Champ's testimony into real consequences by arresting the criminals once the evidence (the CD) is handed over. He represents formal justice, balancing the underworld’s chaos with procedural order. His involvement helps bridge the gap between crime and law.

Rosa is Champ's former love, who was to marry him before the crime and prison life pulled them apart. Her arc reflects themes of lost love and resilience as she navigates the fallout of Champ's criminal past. She remains a poignant reminder of what Champ stands to regain or lose with every choice he makes. Her fate intertwines with the film's pursuit of truth and reconciliation.