Amitabh Bachchan

as Prof. Venkat Subramanium

Ben Kingsley

as Perci Trachtenberg

R. Madhavan

as Prof. Shantanu Biswas

Shraddha Kapoor

as Aparna Khanna

Dhruv Ganesh

as Vikram Ashwin Dhar

Raima Sen

as Shivani Mukherjee

Mahesh Manjrekar

as Dagdu Seth

Saira Mohan

as Kasbecca/Kay