Character Name : Nambi Narayanan

Original Name : R. Madhavan

Gender : Male

Character Name : Suriya

Original Name : Suriya

Gender : Male

Character Name : Meena

Original Name : Simran

Gender : Female

Character Name : Geeta Narayanan

Original Name : Misha Ghoshal

Gender : Female

Character Name : Scientist

Original Name : Jagan

Gender : Male

Character Name : L. D. Gopal

Original Name : Dinesh Prabhakar

Gender : Male

Character Name : Col. Cleaver

Original Name : Ron Donachie

Gender : Male

Character Name : Luigi Crocco

Original Name : Vincent Riotta

Gender : Male

Character Name : Mrs Cleaver

Original Name : Phyllis Logan

Gender : Female

Character Name : A. P. J. Abdul Kalam

Original Name : Gulshan Grover

Gender : Male

Character Name : Vikram Sarabhai

Original Name : Ravi Raghavendra

Gender : Male

Character Name : Shankar Narayanan

Original Name : Shyam Renganathan

Gender : Male

Character Name : P. M. Nayar

Original Name : Karthik Kumar

Gender : Male

Character Name : Udupi Ramachandra Rao

Original Name : Mohan Raman

Gender : Male

Character Name : Barry Amaldev

Original Name : Sriram Parthasarathy

Gender : Male

Character Name : Studio Personnel

Original Name : Bijou Thaangjam

Gender : Male

Character Name : Param

Original Name : Rajeev Ravindranathan

Gender : Male

Character Name : Unni

Original Name : Sam Mohan

Gender : Male

Character Name : Sartaj

Original Name : Bhawsheel Singh Sahni

Gender : Male

Character Name : Professor Eugene Scott

Original Name : Jack Dimich

Gender : Male

Character Name : Michelle

Original Name : Karina Matas Piper

Gender : Female

Character Name : Studio Personnel

Original Name : Gaurav Venkatesh

Gender : Male

Character Name :

Original Name : Abhirami Venkatachalam

Gender : Female

Character Name : Unni's Father in law

Original Name : James Eliya

Gender : Male

Character Name : Shah Rukh Khan

Original Name : शाहरुख़ ख़ान

Gender : Male

Character Name : Arunan

Original Name : Muralidaran

Gender : Male