 Originally, Sanjay Dutt (qv) was to play Roy, Abhishek Bachchan (qv)  was to play Dittu and Aishwarya Rai (qv) was to play Simmi. However,  due to time constraints Abhishek got the role of Roy, and Priyanka  Chopra (qv) and Ritesh Deshmukh (qv) was brought in to play Simmi  and Dittu. However, the film, in its credits, thanks both Dutt and  Rai.