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Ajay Devgan as Michael Mukherjee |
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Abhishek Bachchan as Lallan Singh |
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Vivek Oberoi as Arjun Balachandran |
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Rani Mukerji as Sashi Biswas Singh |
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करीना कपूर खान as Meera |
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Esha Deol as Professor Radhika |
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Om Puri as Prosenjit Bhattacharya |
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Anant Nag as IAS Avinash Balachandran |
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Vijay Raaz as Dablu |
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Sonu Sood as Gopal Singh |
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Saurabh Shukla as Dr. Gopal |
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Karthik Kumar as Vishnu |
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Abhinav Kashyap as Trilok |
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Paras Arora as Arun Balachandran |
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Loveleen Mishra as Shobha |
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Tanushree Chakraborty as Arjun's Classmate |
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Simran as Michael's Friend |
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Lekha Washington as Girl at Embassy |
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Brijendra Kala as Factory manager |
| Directing | Mani Ratnam | Director |
| Production | Mani Ratnam | Producer |
| Production | G. Srinivasan | Producer |
| Editing | Sreekar Prasad | Editor |
| Art | Sabu Cyril | Art Direction |
| Costume & Make-Up | Harish Wadhone | Makeup Artist |
| Writing | Anurag Kashyap | Dialogue |
| Sound | A.R. Rahman | Original Music Composer |
| Writing | Mani Ratnam | Screenplay |
| Camera | Ravi K. Chandran | Director of Photography |
| Crew | Brinda | Choreographer |
| Crew | Vikram Dharma | Stunt Coordinator |
| Sound | A.R. Rahman | Playback Singer |
| Sound | Karthik | Playback Singer |
| Sound | Sunitha Sarathy | Playback Singer |
| Sound | Lucky Ali | Playback Singer |
| Sound | Madhushree | Playback Singer |
| Sound | Blaaze | Playback Singer |
| Sound | Alka Yagnik | Playback Singer |
| Sound | Adnan Sami | Playback Singer |
| Sound | Tanvi Shah | Playback Singer |
