When an honest cop, Vijay Kumar's family is ruthlessly slaughtered by a politician and his aides, he decides to change his identity and commits his life to bring his daughter up in a serene atmosphere. But some freak events end up compromising his identity and what he does to save his daughter and avenge the death of his family unfurls as Theri.
You can now watch Theri online on the following streaming providers in the United States.
| Writing | Atlee | Writer |
| Directing | Atlee | Director |
| Editing | Antony L. Ruben | Editor |
| Camera | D Maneksha | Still Photographer |
| Camera | George C. Williams | Director of Photography |
| Costume & Make-Up | Sathya N J | Costume Design |
| Sound | Tapas Nayak | Sound Editor |
| Art | T. Muthuraj | Art Direction |
| Crew | Shobi Paulraj | Choreographer |
| Sound | G. V. Prakash Kumar | Original Music Composer |
| Costume & Make-Up | Komal Shahani | Costume Design |
| Crew | M. Sherif | Choreographer |
| Sound | Udhaya Kumar | Sound Designer |
| Costume & Make-Up | Deepali Noor | Costume Design |
| Crew | Dhilip Subbarayan | Stunts Coordinator |
| Crew | Kaloian Vodenicharov | Stunt Coordinator |
| Directing | T K Madhan Prasad | Co-Director |
| Production | D Paranthaman | Co-Producer |
| Production | S. Thanu | Producer |
| Writing | Arunraja Kamaraj | Lyricist |
| Sound | Arunraja Kamaraj | Playback Singer |
| Sound | Saindhavi Prakash | Playback Singer |
| Writing | Pa. Vijay | Lyricist |
| Crew | Brinda | Choreographer |
| Writing | Na. Muthu Kumar | Lyricist |
| Writing | Kabilan | Lyricist |
| Writing | Ramana Girivasan | Dialogue |
| Writing | Atlee | Dialogue |
| Writing | Rokesh | Lyricist |
| Sound | Deva | Playback Singer |
| Sound | Hariharan | Playback Singer |
| Sound | Vaikom Vijayalakshmi | Playback Singer |
| Sound | G. V. Prakash Kumar | Playback Singer |
| Sound | Uthara Unnikrishnan | Playback Singer |
| Sound | Vijay | Playback Singer |
| Sound | Neeti Mohan | Playback Singer |
| Sound | Bombay Jayashri | Playback Singer |
| Sound | T. Rajendar | Playback Singer |
| Sound | Sonu Kakkar | Playback Singer |
