- Amitabh’s character was supposedly based on the smuggler, Haji Mastan
- The key-shaped pendant that Neetu Singh sports in the film was presented by Rishi Kapoor at the height of their romance
- In the year of blockbusters like Sholay and Jai Santoshi Maa, Deewaar got the Filmfare awards for film, script, direction and supporting actor (Shashi Kapoor)
- Vyjantimala was the original choice for Nirupa Roy’s role. Rajesh Khanna and Navin Nischol for Vijay and Ravi.
- The screenplay minus the dialogues was written in just 18 days