Pakistani cricket player, Shoaib Akhtar, was offered a role in this movie but turned it down.
Mallika Sherawat was the first choice for the role, but she quoted a very high price after the success of Murder. This caused the Bhatt's to distance themselves from Mallika. They then decided to launch a new face.
Irrfan Khan was considered for Shiney Ahuja's role.
Kangana Ranaut made debut in this film.
Before casting in the movie, Mahesh Bhatt claimed the character of Simran may not be appropriate for Kangana Ranaut, because she was too young for the role.