Naseeruddin Shah
Dr. Siddhant Arya (Special Appearance)
Rajpal Yadav
Kripal Sharma
Amitabh Bachchan
Narrator
Asif Basra
Dr. Alok Sen
Arif Zakaria
Dr. Varun Shetty
Priyanka Chopra Jonas
Priya Mehra
Hrithik Roshan
Krishna Mehra / Krrish / Rohit Mehra
Kangana Ranaut
Kaya
Sachin Khedekar
Minister (Special Appearance)
Vivek Oberoi
Kaal
Mohnish Behl
Kaal's Adoptive Father (Special Appearance)
Raju Kher
Dr. Alok Sen
Rakhee Tandon
Sharma's Wife