Bollywood stars and actresses substituting their fellow workers in movie projects is nothing new and the trend has been banging on since movies started getting produced in India.
While sometimes, if a project has been in the midpoint for too long, the actors concentrate on other projects.
Some of the well-known Bollywood movies have witnessed major transformations in casting before the shooting started.
Here are a few less knowledgeable Bollywood stars who substituted experienced stars -
John Abraham substituted brilliant Akshay Kumar in the flick Welcome Back.
Shah Rukh Khan
King Khan replaced Mr. Perfectionist Aamir Khan in the film Salute.
Dharmendra substituted Guru Dutt in the movie Baharen Phir Bhi Ayengi.
Prachi Desai substituted talented Genelia D'Souza in the film Bol Bachchan.
He replaced Abhishek Bachchan in Paltan.
Parineeti Chopra substituted talented Kareena Kapoor in the film Golmaal Again.
Ranveer Singh substituted Ranbir Kapoor in the film Gully Boy.
Harshvardhan Kapoor substituted Sidharth Malhotra in the flick Bhavesh Joshi.
Manish Paul substituted Ali Zafar in the flick Tere Bin Laden 2.
Vidya Balan substituted Mallika Sherawat in the flick Shaadi Ke Side Effects.
Madhuri Dixit substituted Sridevi in the flick forthcoming flick, Kalank.