Imaikkaa Nodigal

Nayanthara

Anjali Vikramadithyan IPS

Anurag Kashyap

Martin 'Rudra' Roy

Atharvaa Murali

Arjun

Raashii Khanna

Krithika Rao

Manasvi Kottachi

Shalini Vikramadithyan

Ramesh Thilak

Arjun's friend

Vijay Sethupathi

Vikramadithyan

Devan

CBI Officer Narayan Gowda

Udhayabanu Mageswaran

CBI Chief

Vikram Anand

Kumar Natarajan

Vetrivel Raja

Vinoth Kishan

Dr. Vineeth

B Suresha

Minister

Jeeva Ravi

Victim's father (uncredited)

Raveena Ravi

Krithika Rao (Voice)

Deepa Venkat

Anjali Vikramadithyan IPS (voice)

Magizh Thirumeni

Ex-ACP Martin 'Rudra' Roy (voice)