* Vijay Sethupathi as Udayakumar (Udayar)
* Samantha Ruth Prabhu as Thenmozhi
* Sathyaraj as Muthuramalingam, Udayar's father
* Raadhika Sarathkumar as Thangapazham, Udayar's mother
* Saranya Ponvannan as Udayar's grandmother
* Premgi Amaren as Udayar's uncle
* Yogibabu as Udayar's friend
* Motta Rajendran as Udayar's friend
* Daniel Annie Pope as Udayar's mentor
* Iyshwarya Rajesh as Anbarasi