The Great Gambler
A gambler works for a villain not knowing that he's being used to entrap a patriot and gain military secrets. The cops assign a lookalike to nab him, but not having gambling skills could give him away.
Genre: Action, Crime, Romance, Thriller
Cast: Amitabh Bachchan, Zeenat Aman, Neetu Singh, Prem Chopra, Utpal Dutt, Madan Puri, Om Shivpuri, Helen, Roopesh Kumar, Sujit Kumar, Iftekhar, Madhu Malhotra, Jagdish Raj
Crew: Vikramaditya (Novel), Shakti Samanta (Director), Shakti Samanta (Scenario Writer), Vrajendra Gaur (Dialogue), C.J. Pavri (Adaptation)