A married Russian physician falls in love with another woman, but as their passionate affair plays out against the raging backdrop of the First World War and the Bolshevik revolution, he is torn between his desires and his loyalty to his wife. David Lean's epic drama based on Boris Pasternak's novel, starring Omar Sharif, Julie Christie, Geraldine Chaplin, Rod Steiger, Alec Guinness, Ralph Richardson, Tom Courtenay and Klaus Kinski