Don is a 1978 Indian Hindi-language action thriller film directed by Chandra Barot from a story written by Salim–Javed and produced by Nariman Irani. The film stars Amitabh Bachchan in dual role, alongside Zeenat Aman, Pran, Iftekhar, Om Shivpuri and Satyen Kappu in supporting roles. The music was composed by Kalyanji–Anandji with lyrics written by Anjaan and Indeevar.

Salim–Javed were an Indian screenwriting duo, composed of Salim Khan and Javed Akhtar, who worked primarily in Hindi cinema. They were among the first Indian screenwriters to achieve star status, and are regarded as among "Hindi cinema's greatest screenwriters". They worked together on 24 films between 1971 and 1987, of which 20 were commercially and critically successful.