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Rajinikanth as Petta 'Kaali' Velan |
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Nawazuddin Siddiqui as Singaar 'Singaaram' Singh |
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Vijay Sethupathi as Jithu |
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Sananth as Anwar |
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M. Sasikumar as Maalik |
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Bobby Simha as Michael |
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Simran as Mangalam |
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Trisha Krishnan as Saro |
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Megha Akash as Anu |
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Malavika Mohanan as Poongodi |
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J. Mahendran as Rajapandi |
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Muthukumar as Devaaram |
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Guru Somasundaram as District Collector |
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Adukalam Naren as Micheal's Father |
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Y. G. Mahendran as College Principal |
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Munishkanth as Chittu |
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Chinni Jayanth as Mangalam's Patient |
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Vivek Prasanna as Professor |
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Ramachandran Durairaj as Michael's Father's Henchman |
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Manikanda Rajan as Michael's Father's Henchman |
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Deepak Paramesh as Michael's Friend |
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Adhithya Shivpink as Michael's friend |
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Thennavan as Thangam |
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Shabeer Kallarakkal as Arjith |
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Gajaraj as Shanmugam |
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Rajkumar as Student |
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Vaibhav Reddy as Idhayam Murali (Special Appearance in the song "Aaha Kalyanam" ) |
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Roju as |
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Leo Sivadass as |
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Sathya Prema as |
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Aruvi Bala as |
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Jigarthanda Senthil as |
| Writing | Karthik Subbaraj | Writer |
| Sound | அனிருத் ரவிச்சந்திரன் | Original Music Composer |
| Editing | Vivek Harshan | Editor |
| Directing | Karthik Subbaraj | Director |
| Crew | Peter Hein | Stunt Coordinator |
| Writing | Vivek | Lyricist |
| Crew | Baba Baskar | Choreographer |
| Crew | M. Sherif | Choreographer |
| Costume & Make-Up | Praveen Raja | Costume Design |
| Costume & Make-Up | Niharika Bhasin | Costume Design |
| Production | Kalanithi Maran | Producer |
| Sound | Kunal Rajan | Sound Designer |
| Production | D Ramesh Kuchirayar | Production Executive |
| Production | Kaarthekeyen Santhanam | Executive Producer |
| Art | Suresh Selvarajan | Production Design |
| Camera | Tarun Khiwal | Still Photographer |
| Camera | Chandru Selvaraj | Assistant Camera |
| Directing | Charukesh Sekar | Assistant Director |
| Directing | Srinivasan Elangovan | Assistant Director |
| Production | R S Suresh Maniyan | Executive Producer |
| Camera | S. Thirunavukkarasu | Director of Photography |
| Crew | Riaz K. Ahmed | Public Relations |
| Editing | Karthikan M | Colorist |
| Camera | C H Balu | Still Photographer |
| Sound | Anthony Daasan | Playback Singer |
| Sound | Nakul Abhyankar | Playback Singer |
| Writing | Dhanush | Lyricist |
