While filming the wolf chase scene, the wolf was actually running after its trainer (who isn't shown in the film) and Manoj was running after the wolf, who was unaware of Manoj running behind him with a knife in his hand. When the wolf realized this, it started chasing Manoj, who just about escaped the wolf's clutches and ran inside his van.
Nandita Das was unhappy the way her role shaped up in the end product and felt cheated by the makers, she stated in a press conference that the role was the complete opposite of what was explained to her.
Amitabh Bachchan was flying to New Delhi and director Rakeysh Omprakash Mehra met him at the airport and gave him the final script of Aks, and asked him to read something while he is flying. When Amitabh got of in New Delhi he rang the director and told him that he is very keen on the idea and wants to start the project.
The director of the movie had Raveena Tandon, Manoj and Amitabh in mind while working on script. Later he mentioned on numerous platforms that he had been lucky to have all 3 actors in first place to play their roles.