 |
R. Madhavan as Nambi Narayanan |
 |
Simran as Meena |
 |
Misha Ghoshal as Geeta Narayanan |
 |
Jagan as Scientist |
 |
Dinesh Prabhakar as L. D. Gopal |
 |
Ron Donachie as Col. Cleaver |
 |
Vincent Riotta as Luigi Crocco |
 |
Phyllis Logan as Mrs Cleaver |
 |
Gulshan Grover as A. P. J. Abdul Kalam |
 |
Ravi Raghavendra as Vikram Sarabhai |
 |
Shyam Renganathan as Shankar Narayanan |
|
Karthik Kumar as P. M. Nayar |
 |
Mohan Raman as Udupi Ramachandra Rao |
|
Sriram Parthasarathy as Barry Amaldev |
 |
Bijou Thaangjam as Studio Personnel |
|
Rajeev Ravindranathan as Param |
 |
Sam Mohan as Unni |
|
Bhawsheel Singh Sahni as Sartaj |
 |
Jack Dimich as Professor Eugene Scott |
 |
Karina Matas Piper as Michelle |
|
Gaurav Venkatesh as Studio Personnel |
 |
Abhirami Venkatachalam as Boyfriend Girl |
 |
James Eliya as Unni's Father in law |
 |
Suriya as Interviewer (Tamil version) |
 |
Shah Rukh Khan as Interviewer (Hindi version) |
|
Muralidaran as Arunan |
 |
Emma Gojković as Elizabeth |
| Production | Sarita Madhavan | Producer |
| Production | Varghese Moolan | Producer |
| Production | Vijay Moolan | Producer |
| Writing | Prakash Nambiar | Creative Producer |
| Production | Smriti Jain | Executive Producer |
| Production | Gaurav Mishra | Executive Producer |
| Sound | Siddharth Dubey | Sound Designer |
| Sound | Divakar Subramaniam | Additional Soundtrack |
| Visual Effects | Anuj Deshpande | VFX Supervisor |
| Sound | Justin Jose | Sound Re-Recording Mixer |
| Editing | Ashirwad Hadkar | Digital Intermediate Colorist |
| Production | Aadore Mukherjee Mehra | Casting Director |
| Costume & Make-Up | Niharika Bhasin | Costume Design |
| Costume & Make-Up | Gautami Hazra | Costume Design |
| Costume & Make-Up | Vikram Gaikwad | Makeup & Hair |
| Costume & Make-Up | Rohan Jagtap | Makeup & Hair |
| Directing | R. Madhavan | Director |
| Writing | R. Madhavan | Writer |
| Directing | Prajesh Sen | Co-Director |
| Production | R. Madhavan | Producer |
| Sound | Sam C S | Original Music Composer |
| Camera | Sirsha Ray | Director of Photography |
| Editing | Bijith Bala | Editor |
| Editing | Vishnu Revikumar | Assistant Editor |
| Art | Prerna Kathuria | Production Design |
| Editing | Ashirwad Hadkar | Colorist |
