 | Aamir Khan als Daljit 'DJ' Singh |
 | Siddharth als Karan Singhania |
 | Kunal Kapoor als Aslam Khan |
 | Sharman Joshi als Sukhi |
 | Atul Kulkarni als Laxman Pandey |
 | Alice Patten als Sue McKinley |
 | Soha Ali Khan als Sonia |
 | R. Madhavan als Ajay Rathod |
 | Waheeda Rehman als Mrs. Rathod |
 | Kirron Kher als Mitro |
 | Steven Mackintosh als James McKinley |
 | Anupam Kher als Rajnath Singhania |
 | Om Puri als Amanullah Khan |
 | Cyrus Sahukar als Rahul |
 | Mohan Agashe als Defence Minister Shashtri |
 | Chandan Roy Sanyal als Batukeshwar Dutt |
 | Lekh Tandon als DJ's Grandfather |
| Mohan Agashe als Defence Minister Shastri |
 | Abhishek Banerjee als guy at audition |
| Rakeysh Omprakash Mehra | Director |
| Rakeysh Omprakash Mehra | Producer |
| Rakeysh Omprakash Mehra | Screenplay |
| Ronnie Screwvala | Producer |
| Binod Pradhan | Director of Photography |
| Elaine Grainger | Casting |
| Samir Chanda | Production Design |
| Samir Chanda | Art Direction |
| Ramnath Shetty | Second Unit Director of Photography |
| Lakshmipriya Devi | First Assistant Director |
| Arjun Mathur | Second Assistant Director |
| Paran Bawa | Second Assistant Director |
| Neha Kaul | Second Assistant Director |
| Adam Bohling | Executive Producer |
| P S Shyam | Executive Producer |
| M Guruprasad | Line Producer |
| Gaurav Dhingra | Production Manager |
| Kamlesh Pandey | Story |
| Renzil D'Silva | Screenplay |
| A.R. Rahman | Original Music Composer |
| Nakul Kamte | Sound Designer |
| Vijay Kumar | Foley Artist |
| Vikram Biswas | Sound Effects Editor |
| Chetan Pathak | Art Direction |
| Mukesh Chhabra | Casting Assistant |
| Ganesh Acharya | Choreographer |
| Arjun Bhasin | Costume Designer |
| Lovleen Bains | Costume Designer |
| Urmilla Lal Motwani | Assistant Costume Designer |
| P S Bharathi | Editor |
| Fae Hammond | Makeup Artist |
| Vikram Gaikwad | Makeup Artist |
| Avan Contractor | Hairstylist |
| Prasad Sutar | Visual Effects Supervisor |
| Piku Shahani | Visual Effects Coordinator |
| Ashish Pradhan | Visual Effects |
| Manish Sharma | Visual Effects |
| Rohit Prasad | Visual Effects |
| Ritesh Aggarwal | Digital Compositor |
| David Reid | Executive Producer |
