Sahir Khan's illustrious career, showcased as various clips from his numerous movies (and with the posters that fans carry and posters that are in Billu's shop) make ready use of Shah Rukh Khan's real life movie career, utilizing clips from Baazigar, Darr, Trimurti, Karan Arjun, Pardes, Koyla, Yes Boss, Dil To Pagal Hai, Duplicate, Dil Se, Kuch Kuch Hota Hai, Baadshah, Mohabbatien, Josh, One 2 Ka 4, Asoka, Devdas, Chalte Chalte, Kal Ho Na Ho, Main Hoon Na, Swades, Paheli, Chak De! India, Om Shanti Om, and others.
The first time Irrfan and Srk worked together.
Priyadarshan's only film to star Irrfan and Shah Rukh Khan in the lead till date.
The makers of the film were forced to change take out the barber from the title, because of protests by many hairstylists who considered it offensive. Shah Rukh Khan sent to have barber blacked out from any posters/billboards.
Shah Rukh Khan played a fictionalized version of himself after "Om Shanti Om" (2007) and later in "Fan" (2016).