Dhanush as Kathavaraayan 'Raayan'

Dushara Vijayan as Durga

Sundeep Kishan as Muthuvelraayan 'Muthu'

Kalidas Jayaram as Manickavelraayan 'Manickam'

S. J. Suryah as Sethuraman 'Sethu'

Selvaraghavan as Sekhar

Aparna Balamurali as Mekhala

Prakash Raj as R. Sargunam

Saravanan as Durai

Varalaxmi Sarathkumar as Sethu's first wife

Ilavarasu as Meghalai's Father

Divya Pillai as Annam Sethuraman

Devadarshini as Doctor

Aranthangi Nisha as Police officer

Karthick Anjaneyan as Anjaneyan

Dhileban as Guru

Namo Narayanan as Jagannathan

Cell Murugan as Bartender

Shah Ra as Kothandam

Geetha Kailasam as Durai's wife

Anbu Mayilsamy as Sethu's Henchman

Kichcha Ravi as Kathavaraayan's Father

M. Soundarya Saravanan as Kathavaraayan's mother

Rahul R. as Young Kathavaraayan