Vijay Sethupathi as Perumal "Vaathiyaar"

Soori as Kumaresan

Manju Warrier as Mahalakshmi

Kishore as KK

Bhavani Sre as Tamilarasi

Gautham Vasudev Menon as Sunil Menon

Rajiv Menon as A. Subramaniyan

Bose Venkat as Zamindar

Manobala as Station Master

Vincent Asokan as Mahalakshmi's father

Anurag Kashyap as Naxal Leader

Ilavarasu as PWD Minister Ilavarasu

Balaji Sakthivel as Advocate

Saravana Subbiah as Collector of Arumapuri District

Tamizh as Amudhan

Chetan as Ragavendar

Aryan as Constable Aari

Munnar Ramesh as Sub-inspector "Chow Chow" Ramasamy

Pavel Navageethan as Pavel

Sardar Satya as Sub-inspector Velmurugan

Ken Karunas as Karuppan

Bala Hasan as Bala

Sundareswaran CVC as T.A.

Vincent Asokan as

Aruldoss as

R. Velraj as Landlord

Sampath Ram as

Sindhujaavijii as Mahalakshmi's Sister-in-law

R. Ganesh Gurung as Natarajan

Surya Sethupathi as

Ashik Merlin as Young Subramaniyan