| Person | Type | Job | Role(s) |
|---|---|---|---|
 A.R. Rahman | Crew | Sound | Original Music Composer, Playback Singer |
 Allan Amin | Crew | Crew | Stunts Coordinator |
 Anuradha Sriram | Crew | Sound | Playback Singer |
Bharat Shah | Crew | Production | Producer |
 Farah Khan | Crew | Crew | Choreographer |
 Gulzar | Crew | Writing | Lyricist |
 Lata Mangeshkar | Crew | Sound | Playback Singer |
 M. G. Sreekumar | Crew | Sound | Playback Singer |
 Mani Ratnam | Crew | Writing | Screenplay, Director, Executive Producer, Story |
Mano | Crew | Sound | Playback Singer |
 Ram Gopal Varma | Crew | Production | Executive Producer |
 Samir Chanda | Crew | Art | Art Direction |
 Santosh Sivan | Crew | Camera | Director of Photography |
 Shekhar Kapur | Crew | Production | Executive Producer |
 Sonu Nigam | Crew | Sound | Playback Singer |
 Sujatha Rangarajan | Crew | Writing | Writer |
 Sukhwinder Singh | Crew | Sound | Playback Singer |
 Suresh Urs | Crew | Editing | Editor |
 Tigmanshu Dhulia | Crew | Writing | Dialogue, Screenplay |
 Udit Narayan | Crew | Sound | Playback Singer |
 Vairamuthu | Crew | Writing | Lyricist |
 Shaad Ali | Crew | Directing | Assistant Director |
 Susi Ganesan | Crew | Directing | Assistant Director |
 Palghat Sriram | Crew | Sound | Playback Singer |
 Kavita Krishnamurthy | Crew | Sound | Playback Singer |
AS Laxmi Narayanan | Crew | Sound | Sound Mixer |
Udhaya Kumar | Crew | Sound | Sound Effects Designer |
H Sridhar | Crew | Sound | Sound Mixer |
 Srinivas | Crew | Sound | Playback Singer |
V. Priya | Crew | Directing | Assistant Director |
 Unni Menon | Crew | Sound | Playback Singer |
 K. S. Chithra | Crew | Sound | Playback Singer |
 Swarnalatha | Crew | Sound | Playback Singer |
 Annupamaa | Crew | Sound | Playback Singer |
 Malgudi Subha | Crew | Sound | Playback Singer |
 Hariharan | Crew | Sound | Playback Singer |
 S. Janaki | Crew | Sound | Playback Singer |
 Sujatha Mohan | Crew | Sound | Playback Singer |
 Sivakumar Ananth | Crew | Directing | Assistant Director |
Geeta Kapur | Crew | Crew | Associate Choreographer |
Mahalakshmi Iyer | Crew | Sound | Playback Singer |
 Sirivennela Seetharama Sastry | Crew | Writing | Lyricist |
 Febi Mani | Crew | Sound | Playback Singer |
Janakiraman P | Crew | Sound | Sound Effects Designer |
Jarvis Solomon | Crew | Sound | Sound Effects Editor |
Shadeesh Kumar | Crew | Editing | Assistant Editor |
Kanna Babu | Crew | Editing | Assistant Editor |
Sapna Awasthi | Crew | Sound | Playback Singer |
 Dominique Cerejo | Crew | Sound | Playback Singer |
Sowmya Raoh | Crew | Sound | Playback Singer |
 Kavita Paudwal | Crew | Sound | Playback Singer |
 Aditya Srivastava | Cast | Actor | Terrorist |
 Anupam Shyam | Cast | Actor | Terrorist |
 Deepak Shirke | Cast | Actor | CBI Officer |
 Gajraj Rao | Cast | Actor | CBI investigation officer |
Hemant Mishra | Cast | Cameo | |
 Janagaraj | Cast | Actor | Taxi Driver |
Karan Nath | Cast | Cameo | |
 Malaika Arora | Cast | Actress | Special Appearance in "Chaiyya Chaiyya" song |
 Manisha Koirala | Cast | Actress | Meghna |
 Mita Vashisht | Cast | Actress | Terrorist |
 Mohan Joshi | Cast | Actor | CBI Officer |
 Piyush Mishra | Cast | Actor | CBI Investigation Officer |
 Preity Zinta | Cast | Actress | Preeti Nair |
 Raghubir Yadav | Cast | Actor | Shukla |
 Raza Murad | Cast | Actor | CBI Officer |
 Sabyasachi Chakraborty | Cast | Actor | Terrorist |
 Sanjay Mishra | Cast | Actor | Terrorist |
 Shah Rukh Khan | Cast | Actor | Amarkanth Varma |
 Sheeba Chaddha | Cast | Actress | Amar's Mother |
Tigmanshu Dhulia | Cast | Actor | Cameo as Man at the Post Office |
 Vikram Gokhale | Cast | Actor | CBI Officer |
 Zohra Sehgal | Cast | Actress | Amar's Grandmother |
 Arundathi Nag | Cast | Actress | Kanval Dev Burman |
Avtar Sahani | Cast | Army general | |
Shaad Ali | Cast | Actor | Cameo as Citizen of Silchar |
Wasiq Khan | Cast | Actor | Cameo |
Ishitha | Cast | Child artist | |
B Chintu Mohapatra | Cast | Cameo | |
 Pia Benegal | Cast | Actress | Cameo |
R. K. Nair | Cast | Preeti's father | |
 Suhail Nayyar | Cast | Actor | Child artist |
 Alka | Cast | Preeti's Mother | |
Subhadeep Sanyal | Cast | Child artist | |
Lakshmi Rattan | Cast | Hazarika army official | |
 Rajiv Gupta | Cast | Actor | Sub inspector |
B. M. Shah | Cast | Cameo | |
Sameer Chanda | Cast | Cameo appearance Tuba music shop dealer | |
Vanitha Malik | Cast | School teacher | |
Priya Parulekar | Cast | Young Moina | |
Manjit Bawa | Cast | Terrorist | |
Krisn Kant | Cast | Kim terrorist | |
Shabbir Masani | Cast | terrorist | |
Gautam Bora | Cast | terrorist Leader | |
| Person | Type | Job | Role(s) |
