 | John Abraham als K |
 | Paresh Rawal als Shri Shri Prakash Guru Ghantal Baba Bangali Sealdah Wale |
 | Ayesha Takia als Anjali / Annie |
 | Ranvir Shorey als Abbas Tyrewala |
 | Kiku Sharda als Doctor in charge of K's brother J |
 | Vikramaditya Motwane als Employee in K's Office |
 | Jesse Randhawa als Item Number |
 | Bipasha Basu als Item Number |
 | Anurag Kashyap als Man in Elevator (uncredited) |
| Kumar Mangat Pathak | Producer |
| Anurag Kashyap | Director |
| Anurag Kashyap | Screenplay |
| Tariq Umar Khan | Art Direction |
| Vishal Bhardwaj | Producer |
| Aarti Bajaj | Editor |
| Rajeev Ravi | Director of Photography |
| Clinton Cerejo | Additional Soundtrack |
| Hitesh Sonik | Additional Soundtrack |
| Kunal Sharma | Sound Designer |
| Rohit Khaitan | Assistant Director |
| Anurag Kashyap | Story |
| Ashley Lobo | Choreographer |
| Sunil Lulla | Co-Producer |
| Sanjeev Joshi | Executive Producer |
| Jai Singh Nijjar | Stunt Coordinator |
| Gautam Kishanchandani | Casting |
| Nath Gupta | Still Photographer |
| Inderjit Chadha | Line Producer |
| Vishal Bhardwaj | Original Music Composer |
| Ganesh Acharya | Choreographer |
| David Crawford | Visual Effects Supervisor |
