Om Puri was angry with the makers when his role was cut to a three scene cameo, originally his role was lengthier with more scenes with Salman.
Apparently, Abhinay Kashyap, brother of Anurag Kashyap, wanted to make the film a gritty realistic fare like his brother's films. At that point Randeep Hooda was to play the lead role. When Arbaaz heard the script, he decided to up the films budget and make it a full fledged masala commercial film. Wanted was a big hit, Salman Khan changed the entire script and brought in action, one-liners and also the item song.
" Munni Badnaam Huyee" was a remake of "Lounda Badnaam Hua" from Rock Dancer. Larka Badnaam Hua from Pakistani film Mr. Charlie.
Dimple Kapadia who is a few years older to Salman and Arbaaz played their mother.
Salman Khan sported a moustache for the first time in his film career. Arbaaz Khan revealed it was Salman Khan's suggestion to keep a moustache look , which Arbaaz liked.