- Vijay Sethupathi
- Ranjankudi Anbarasu Murugesa Boopathy Ohondhiran / Rambo
- Nayanthara
- Kanmani Ganguly
- Samantha Ruth Prabhu
- Khatija Begum
- Prabhu
- Prabhu, game show host
- Redin Kingsley
- Arnold
- Lollu Sabha Maaran
- Maaran, Rambo's friend
- G. Kala
- Idhayakala
- S. Sreesanth
- Mohammed Mobi
- Dipika Kothari
- Minmini Ganguly, Kanmani's sister
- Bhargav Sundar
- Bhargav Ganguly, Kanmani and Minmini's brother
- Seema
- Minah Kaif, Rambo's mother
- Divya Pillai
- Young Minah Kaif
- Kamalesh
- Young Rambo
- Dhilip Subbarayan
- A drunk tenant
- Shihan Hussaini
- Karate trainer
- Chitra Lakshmanan
- Rambo's fake father
- Ravikanth
- Khatija's father
- Ravi Raghavendra
- Fake psychiatrist
- Bijili Ramesh
- A chocobar seller
- Teju Ashwini
- Khatija's friend
- Lingesan
- Rambo's father
- Latha
- Khatija's mother
- Saravanan
- Jaga
