Hum Tum was a game changer for Saif Ali Khan but Hrithik Roshan was the first choice for the role.
As Hrithik was going through a rough patch with flops like Naa Tum Jaano Naa Hum, Aap Mujhe Ache Lagne Lage and Main Prem Ki Deewani Hoon he was a bit skeptical to give it a nod. Though he loved the script, he was not sure whether it will be a right choice.
After Hrithik, it was Aamir Khan who was approached for the same. It was the time when Aamir was going through his divorce with Reena Dutta. He was not in the right frame of mind for a rom-com and did not even hear the script.
Vivek Oberoi who was gaining popularity with Company and Saathiya liked the script. He even alloted dates for the film but cancelled them later demanding some changes in the script. Further, there were some more issues and the makers decided to move on.
Finally, it was Saif Ali Khan who made it. Hum Tum helped Saif to come out of the image of a supporting actor and established him as a solo hero. His performance was appriciated in the film. Hrithik watched the trial of the film and he too felt that Saif was the right choice.
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