| Person | Type | Job | Role(s) |
|---|---|---|---|
 Sreekar Prasad | Crew | Editing | Editor |
 A.R. Rahman | Crew | Sound | Original Music Composer |
 Mani Ratnam | Crew | Directing | Director, Producer, Screenplay |
 Rahul Nanda | Crew | Production | Publicist |
Sham Kaushal | Crew | Directing | Action Director |
Thotta Tharani | Crew | Art | Production Design |
Vikram Gaikwad | Crew | Costume & Make-Up | Makeup & Hair |
Ken Metzker | Crew | Editing | Colorist |
S. Sivakumar | Crew | Sound | Assistant Music Supervisor |
Bejoy Nambiar | Crew | Directing | Second Unit Director |
 Jeyamohan | Crew | Writing | Screenplay, Dialogue |
 Elango Kumaravel | Crew | Writing | Screenplay |
Santosh Kotkar | Crew | Art | Art Direction |
 Dhilip Subbarayan | Crew | Directing | Action Director |
 Ravi Varman | Crew | Camera | Director of Photography |
Nakul Abhyankar | Crew | Sound | Sound Supervisor |
 Brinda | Crew | Crew | Choreographer |
 Eka Lakhani | Crew | Costume & Make-Up | Wardrobe Designer |
 Subaskaran Allirajah | Crew | Production | Producer |
Lalgudi N. Ilayaraja | Crew | Art | Art Direction |
 Anand Krishnamoorthi | Crew | Sound | Sound Designer |
Kalki Krishnamurthy | Crew | Writing | Novel, Original Story |
C H Balu | Crew | Camera | Still Photographer |
Kaecha Kampakdee | Crew | Directing | Action Director |
 Sivakumar Ananth | Crew | Production | Executive Producer, Lyricist |
K. M. Sarjun | Crew | Production | Post Production Coordinator |
Chandrakant Sonawane | Crew | Costume & Make-Up | Costume Designer |
Vijay Balaji | Crew | Production | Post Production Coordinator |
Dhana | Crew | Directing | Assistant Director |
Johnson | Crew | Crew | Public Relations |
Sanjiv Anand Naik | Crew | Visual Effects | VFX Supervisor |
Ishan Mohan | Crew | Directing | Assistant Director |
Krithika Nelson | Crew | Writing | Lyricist, Third Assistant Director |
 Kabilan | Crew | Writing | Lyricist |
Richard Anthony | Crew | Directing | Second Assistant Director |
Sanaa Mariam | Crew | Directing | Third Assistant Director |
Ilango Krishnan | Crew | Writing | Lyricist |
 G. K. M. Tamil Kumaran | Crew | Production | Associate Producer |
 Aishwarya Rai Bachchan | Cast | Actress | Nandini / Oomai Rani |
Jayachitra | Cast | Actress | Sembiyan Maadevi |
 Jayaram | Cast | Actor | Alwarkkadiyan Nambi |
 Kamal Haasan | Cast | Actor | Narrator (voice) |
 Lal | Cast | Actor | Malayaman |
Mohan Raman | Cast | Actor | Anirudha Brahmarayar |
 Nassar | Cast | Actor | Veerapandiyan |
 Nizhalgal Ravi | Cast | Actor | Kadambur Sambuvarayar |
 R. Parthiban | Cast | Actor | Chinna Pazhuvettarayar |
 Prabhu | Cast | Actor | Periya Velaar |
 Prakash Raj | Cast | Actor | Sundara Chozhar |
 Rahman | Cast | Actor | Madhurantakan |
 N. Azhagamperumal | Cast | Actor | Madhuranthakan (Voice) |
 Babu Antony | Cast | Actor | Khottiga Amogavarshan |
 Balaji Sakthivel | Cast | Actor | Vanangamudi Munnaireyar |
Deepa Venkat | Cast | Nandini (Voice) | |
 Jayam Ravi | Cast | Actor | Arunmozhi Varman |
 Karthi | Cast | Actor | Vanthiyathevan |
 Riyaz Khan | Cast | Actor | Soman Sambavan |
 Trisha Krishnan | Cast | Actress | Kundavai |
 Vikram | Cast | Actor | Aditha Karikalan |
 Yog Jappie | Cast | Actor | Karuthiruman |
 Sara Arjun | Cast | Actress | Young Nandini |
 Amzath Khan | Cast | Actor | Mazhavarayar |
 Ashwin Kakumanu | Cast | Actor | Sendhan Amudhan |
 Shyam Fernando | Cast | Actor | Mahindan |
 Vikram Prabhu | Cast | Actor | Parthibendran Pallavan |
 Bharat Raj | Cast | Actor | Karka |
 Vinodhini Vaidyanathan | Cast | Actress | Vasuki |
 Arjun Chidambaram | Cast | Actor | Varagunan |
 R. Sarathkumar | Cast | Actor | Periya Pazhuvettarayar |
 Kishore | Cast | Actor | Ravidasan |
 Sobhita Dhulipala | Cast | Actress | Vanathi |
Harris Moosa | Cast | Kalapathi | |
 Aishwarya Lekshmi | Cast | Actress | Poonguzhali |
 Master Raghavan | Cast | Actor | Amarabujanga Pandiyan |
Nimmy Raphael | Cast | Rakkamma | |
Ashwin Rao Pallaki | Cast | Actor | Kandhamaaran |
 Gopi Kannadasan | Cast | Actor | Dambulla Bikshu |
Krithika Nelson | Cast | Actress | Kundavai (Voice) |
Vidhya Subramanian | Cast | Actress | Vaanavan Maadevi |
Santhosh | Cast | Actor | Young Aditha Karikalan |
Vinay Kumar Joseph | Cast | Actor | Devaralan |
| Person | Type | Job | Role(s) |
