R. Madhavan

Nambi Narayanan

Acting

Suriya

Suriya

Acting

Simran

Meena

Acting

Misha Ghoshal

Geeta Narayanan

Acting

Jagan

Scientist

Acting

Dinesh Prabhakar

L. D. Gopal

Acting

Ron Donachie

Col. Cleaver

Acting

Vincent Riotta

Luigi Crocco

Acting

Phyllis Logan

Mrs Cleaver

Acting

Gulshan Grover

A. P. J. Abdul Kalam

Acting

Ravi Raghavendra

Vikram Sarabhai

Acting

Shyam Renganathan

Shankar Narayanan

Acting

Karthik Kumar

P. M. Nayar

Acting

Mohan Raman

Udupi Ramachandra Rao

Acting

Sriram Parthasarathy

Barry Amaldev

Acting

Bijou Thaangjam

Studio Personnel

Acting

Rajeev Ravindranathan

Param

Acting

Sam Mohan

Unni

Acting

Bhawsheel Singh Sahni

Sartaj

Acting

Jack Dimich

Professor Eugene Scott

Acting

Karina Matas Piper

Michelle

Acting

Gaurav Venkatesh

Studio Personnel

Acting

Abhirami Venkatachalam

Acting

James Eliya

Unni's Father in law

Acting

Shah Rukh Khan

Shah Rukh Khan

Acting

Muralidaran

Arunan

Acting