Feroz Khan stated he considered playing the lead role,but the intimate scenes the film demanded made him feel uncomfortable.
Feroz Khan made 2 films based on Godfather, Dharmatma & Dayavan.
Feroz Khan paid 10 Lakhs to get the remake rights for Dayavan.
Tinnu Anand was playing the role of the police Ajit in both the Tamil version Nayakan (1987) and this movie. The same with the the child who played that role.
Dayavan was shot very fast the shooting was completed within 2 months. The movie was shot in 1 schedule.